DETERMINING SHORT BETWEEN CIRCUITS LOCATION (HS-CAN) [L.H.D.]

id100225000800

Caution
•  Perform the following malfunction diagnosis only when it is diagnosed with a short between circuits by CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [L.H.D.].)

System wiring diagram

ac9wzw00005129

Determination Procedure

Caution
•  When disconnecting the connector, verify that there is no looseness, damage, deformation, corrosion, or poor connection of the connector terminals.
•  When inspecting the DLC-2, touch it with a paper clip or similar thin pin without directly inserting a tester into the terminals.
•  Disconnect the negative battery terminal before performing any work that requires handling of connectors.

Step

Inspection

Action
1
INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Disconnect the negative battery terminal.
•  Disconnect connector 2 which has front body control module (FBCM) terminals 2K and 2I.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 11.
No
Go to the next step.
2
INSPECT FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between front body control module (FBCM) terminals 2K and 2I.
•  Is there continuity?
Yes
Replace the front body control module (FBCM) because there is a short between circuits in the front body control module (FBCM).
(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)
No
Go to the next step.
3
INSPECT BETWEEN TCM AND FRONT BODY CONTROL MODULE (FBCM) FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between TCM terminals E and F.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 6.
4
INSPECT BETWEEN TCM AND CONNECTOR C-01 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-01.
•  Inspect for continuity between TCM terminals E and F.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the front body control module (FBCM) and connector C-01 because the wiring harness is shorted between circuits.
5
INSPECT TCM FOR SHORT BETWEEN CIRCUITS
•  Disconnect the TCM connector.
•  Inspect for continuity between TCM terminals E and F (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the TCM and connector C-01 because the wiring harness is shorted between circuits.
No
Replace the TCM because there is a short between circuits in the TCM.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL].)
6
INSPECT BETWEEN FRONT BODY CONTROL MODULE (FBCM) AND CONNECTOR C-42 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-42.
•  Connect connector 2 which has front body control module (FBCM) terminals 2K and 2I.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Repair or replace the wiring harness between the front body control module (FBCM) and connector C-42 because the wiring harness is shorted between circuits.
No
Go to the next step.
7
INSPECT BETWEEN DSC HU/CM AND CONNECTOR C-42 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between DSC HU/CM terminals C and D.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 9.
8
INSPECT DSC HU/CM FOR SHORT BETWEEN CIRCUITS
•  Disconnect the DSC HU/CM connector.
•  Inspect for continuity between DSC HU/CM terminals C and D (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the DSC HU/CM and connector C-42 because the wiring harness is shorted between circuits.
No
Replace the DSC HU/CM because there is a short between circuits in the DSC HU/CM.
(See DSC HU/CM REMOVAL/INSTALLATION.)
9
INSPECT BETWEEN RADAR UNIT AND CONNECTOR C-42 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between radar unit terminals D and C.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 51.
10
INSPECT RADAR UNIT FOR SHORT BETWEEN CIRCUITS
•  Disconnect the radar unit connector.
•  Inspect for continuity between radar unit terminals D and C (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the radar unit and connector C-42 because the wiring harness is shorted between circuits.
No
Replace the radar unit because there is a short between circuits in the radar unit.
(See RADAR UNIT REMOVAL/INSTALLATION.)
11
INSPECT BETWEEN CONNECTORS C-43, C-44 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-43, C-44.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 14.
No
Go to the next step.
12
INSPECT BETWEEN ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE AND CONNECTORS C-43, C-44 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between adaptive LEDheadlights control module / auto leveling controlmodule terminals A and B. (JMZ TB*****# 500001-699999,JM5 TC*****# 200001-399999,JM7 TC*****# 200001-399999)
•  Inspect for continuity between adaptive LEDheadlights control module / auto leveling controlmodule terminals A and B. (JMZ TB*****# 700001-,JM5 TC*****# 400001-, JM7 TC*****# 400001-)
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between front body control module (FBCM) and connectors C-43, C-44 because the wiring harness is shorted between circuits.
13
INSPECT ADAPTIVE LED HEADLIGHTS CONTROL MODULE / AUTO LEVELING CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the adaptive LED headlights control module / auto leveling control module connector.
•  Inspect for continuity between adaptive LED headlights control module / auto leveling control module terminals A and B (wiring harness side). (JMZ TB*****# 500001-699999,JM5 TC*****# 200001-399999,JM7 TC*****# 200001-399999)
•  Inspect for continuity between adaptive LED headlights control module / auto leveling controlmodule terminals L and M (wiring harness side). (JMZ TB*****# 700001-, JM5 TC*****# 400001-, JM7 TC*****# 400001-)
•  Is there continuity?
Yes
Repair or replace the wiring harness between the adaptive LED headlights control module / auto leveling control module and connectors C-43, C-44 because the wiring harness is shorted between circuits.
No
Replace the adaptive LED headlights control module / auto leveling control module because there is a short between circuits in the adaptive LED headlights control module / auto leveling control module.
(See ADAPTIVE LED HEADLIGHTS CONTROL MODULE REMOVAL/INSTALLATION.)
(See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION.)
14
INSPECT BETWEEN CONNECTOR C-07 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-07.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connector C-07 and connectors C-43, C-44 because the wiring harness is shorted between circuits.
15
INSPECT BETWEEN CONNECTORS C-54, C-55 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-54, C-55.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 19.
No
Go to the next step.
16
INSPECT BETWEEN CONNECTORS C-54, C-55 AND POSITION MEMORY CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between position memory control module terminals 1C and 1E.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connector C-07 and connectors C-54, C-55 because the wiring harness is shorted between circuits.
17
INSPECT BETWEEN POSITION MEMORY CONTROL MODULE AND CONNECTOR C-29 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-29.
•  Inspect for continuity between position memory control module terminals 1C and 1E.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connectors C-54, C-55 and connector C-29 because the wiring harness is shorted between circuits.
18
INSPECT POSITION MEMORY CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the position memory control module connector.
•  Inspect for continuity between position memory control module terminals 1C and 1E (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the position memory control module and connector C-29 because the wiring harness is shorted between circuits.
No
Replace the position memory control module because there is a short between circuits in the position memory control module.
(See POSITION MEMORY CONTROL MODULE REMOVAL/INSTALLATION.)
19
INSPECT BETWEEN CONNECTORS C-51, C-52 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-51, C-52.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 26.
No
Go to the next step.
20
INSPECT BETWEEN AUDIO AMPLIFIER AND CONNECTORS C-51, C-52 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between audio amplifier terminals 2L and 2N.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 22.
21
INSPECT AUDIO AMPLIFIER FOR SHORT BETWEEN CIRCUITS
•  Disconnect the audio amplifier connector.
•  Inspect for continuity between audio amplifier terminals 2L and 2N (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the audio amplifier and connectors C-51, C-52 because the wiring harness is shorted between circuits.
No
Replace the audio amplifier because there is a short between circuits in the audio amplifier.
(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)
22
INSPECT BETWEEN 4WD CONTROL MODULE AND CONNECTORS C-51, C-52 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between 4WD control module terminals G and H.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 24.
23
INSPECT 4WD CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the 4WD control module connector.
•  Inspect for continuity between 4WD control module terminals G and H (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the 4WD control module and connectors C-51, C-52 because the wiring harness is shorted between circuits.
No
Replace the 4WD control module because there is a short between circuits in the 4WD control module.
(See 4WD CONTROL MODULE REMOVAL/INSTALLATION.)
24
INSPECT BETWEEN POWER LIFTGATE (PLG) CONTROL MODULE AND CONNECTOR C-19 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-19.
•  Inspect for continuity between power liftgate (PLG) control module terminals 1B and 1A.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connector C-19 and connectors C-54, C-55 and connectors C-51, C-52 because the wiring harness is shorted between circuits.
25
INSPECT POWER LIFTGATE (PLG) CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the power liftgate (PLG) control module connector.
•  Inspect for continuity between power liftgate (PLG) control module terminals 1B and 1A (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the power liftgate (PLG) control module and connector C-19 because the wiring harness is shorted between circuits.
No
Replace the power liftgate (PLG) control module because there is a short between circuits in the power liftgate (PLG) control module.
(See POWER LIFTGATE (PLG) CONTROL MODULE REMOVAL/INSTALLATION.)
26
INSPECT BETWEEN CONNECTORS C-47, C-48 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-47, C-48.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 29.
No
Go to the next step.
27
INSPECT BETWEEN ELECTRIC PARKING BRAKE CONTROL MODULE AND CONNECTORS C-47, C-48 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between electric parking brake control module terminals 2G and 2F.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the connectors C-51, C-52 and connectors C-47, C-48 because the wiring harness is shorted between circuits.
28
INSPECT ELECTRIC PARKING BRAKE CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the electric parking brake control module connector.
•  Inspect for continuity between electric parking brake control module terminals 2G and 2F (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the electric parking brake control module and connectors C-47, -48 because the wiring harness is shorted between circuits.
No
Replace the electric parking brake control module because there is a short between circuits in the electric parking brake control module.
(See ELECTRIC PARKING BRAKE CONTROL MODULE REMOVAL/INSTALLATION.)
29
INSPECT BETWEEN CONNECTORS C-65, C-66 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connectors C-65, C-66.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to Step 33.
No
Go to the next step.
30
INSPECT BETWEEN CONNECTORS C-65, C-66 AND REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between rear one-touch walk-in control module terminals 1C and 1E.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connectors C-47,C-48 and connectors C-65, C-66 because the wiring harness is shorted between circuits.
31
INSPECT BETWEEN REAR ONE-TOUCH WALK-IN CONTROL MODULE AND CONNECTOR C-64 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-64.
•  Inspect for continuity between rear one-touch walk-in control module terminals 1C and 1E.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between connectors C-65, C-66 and connector C-64 because the wiring harness is shorted between circuits.
32
INSPECT REAR ONE-TOUCH WALK-IN CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the rear one-touch walk-in control module connector.
•  Inspect for continuity between rear one-touch walk-in control module terminals 1C and 1E (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the rear one-touch walk-in control module and connector C-64 because the wiring harness is shorted between circuits.
No
Replace the rear one-touch walk-in control module because there is a short between circuits in the rear one-touch walk-in control module.
(See REAR ONE-TOUCH WALK-IN CONTROL MODULE REMOVAL/INSTALLATION.)
33
INSPECT BETWEEN CONNECTOR C-13 AND INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-13.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the connector C-13 and connectors C-47, C-48 because the wiring harness is shorted between circuits.
34
INSPECT BETWEEN CONNECTOR C-13 AND CONNECTOR C-16 AND DLC-2 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Disconnect connector C-16.
•  Inspect for continuity between DLC-2 terminals F and E.
•  Is there continuity?
Yes
Repair or replace the wiring harness between connector C-13 and connector C-16 and DLC-2 because the wiring harness is shorted between circuits.
No
Go to the next step.
35
INSPECT BETWEEN LASER SENSOR / FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-16 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between laser sensor terminals D and C (with laser sensor).
•  Inspect for continuity between forward sensing camera (FSC) terminals E and C (with forward sensing camera (FSC) (connector 10-pin type)).
•  Inspect for continuity between forward sensing camera (FSC) terminals M and N (with forward sensing camera (FSC) (connector 12-pin type)).
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 39.
36
INSPECT LASER SENSOR FOR SHORT BETWEEN CIRCUITS
•  Disconnect the laser sensor connector.
•  Inspect for continuity between laser sensor terminals D and C (wiring harness side).
•  Is there continuity?
Yes
•  Go to the next step. (connector 10-pin type)
•  Go to Step 38. (connector 12-pin type)
No
Replace the laser sensor because there is a short between circuits in the laser sensor.
(See LASER SENSOR REMOVAL/INSTALLATION.)
37
INSPECT BETWEEN FORWARD SENSING CAMERA (FSC) AND CONNECTOR C-34 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-34.
•  Inspect for continuity between forward sensing camera (FSC) terminals E and C.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness between the connector C-16 and connector C-34 because the wiring harness is shorted between circuits.
38
INSPECT FORWARD SENSING CAMERA (FSC) FOR SHORT BETWEEN CIRCUITS
•  Disconnect the forward sensing camera (FSC) connector.
•  Inspect for continuity between forward sensing camera (FSC) terminals E and C. (wiring harness side) (connector 10-pin type)
•  Inspect for continuity between forward sensing camera (FSC) terminals M and N. (wiring harness side) (connector 12-pin type)
•  Is there continuity?
Yes
•  Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-34 because the wiring harness is shorted between circuits. (connector 10-pin type)
•  Repair or replace the wiring harness between the forward sensing camera (FSC) and connector C-16 because the wiring harness is shorted between circuits. (connector 12-pin type)
No
Replace the forward sensing camera (FSC) because there is a short between circuits in the forward sensing camera (FSC).
(See FORWARD SENSING CAMERA (FSC) REMOVAL/INSTALLATION.)
39
INSPECT BETWEEN CONNECTOR C-16 AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Disconnect connector C-45.
•  Connect connector C-16.
•  Connect the negative battery terminal.
•  Switch the ignition ON (engine off).
•  Measure the voltage at DLC-2 terminals F and E.
•  Is the voltage at DLC-2 terminals F and E the same?
Yes
Repair or replace the wiring harness between the connector C-16 and connector C-45 because the wiring harness is shorted between circuits.
No
Go to the next step.
40
INSPECT BETWEEN EPS CONTROL MODULE AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery terminal.
•  Inspect for continuity between EPS control module terminals 2B and 2D.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 42.
41
INSPECT EPS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the EPS control module connector.
•  Inspect for continuity EPS control module terminals 2B and 2D (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the EPS control module and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the EPS control module because there is a short between circuits in the EPS control module.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
42
INSPECT BETWEEN SAS CONTROL MODULE AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between SAS control module terminals 3B and 3C.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 44.
43
INSPECT SAS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the SAS control module connector.
•  Inspect for continuity between SAS control module terminals 3B and 3C (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between SAS control module and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the SAS control module because there is a short between circuits in the SAS control module.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
44
INSPECT BETWEEN START STOP UNIT AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between start stop unit terminals 2M and 2O.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 46.
45
INSPECT START STOP UNIT FOR SHORT BETWEEN CIRCUITS
•  Disconnect the start stop unit connector.
•  Inspect for continuity between start stop unit terminals 2M and 2O (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the start stop unit and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the start stop unit because there is a short between circuits in the start stop unit.
(See START STOP UNIT REMOVAL/INSTALLATION.)
46
INSPECT BETWEEN CONNECTIVITY MASTER UNIT (CMU) AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 48.
47
INSPECT CONNECTIVITY MASTER UNIT (CMU) FOR SHORT BETWEEN CIRCUITS
•  Disconnect the connectivity master unit (CMU).
•  Inspect for continuity between connectivity master unit (CMU) terminals 2E and 2F (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between connectivity master unit (CMU) and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the connectivity master unit (CMU) because there is a short between circuits in the connectivity master unit (CMU).
(See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)
48
INSPECT BETWEEN ACTIVE DRIVING DISPLAY AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between active driving display terminals I and L.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 50.
49
INSPECT ACTIVE DRIVING DISPLAY FOR SHORT BETWEEN CIRCUITS
•  Disconnect the active driving display connector.
•  Inspect for continuity active driving display terminals I and L (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the active driving display and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the active driving display because there is a short between circuits in the active driving display.
(See ACTIVE DRIVING DISPLAY REMOVAL/INSTALLATION.)
50
INSPECT BETWEEN TUNER AND AMP UNIT (TAU) AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between tuner and amp unit (TAU) terminals 2E and 2C.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 52.
51
INSPECT TUNER AND AMP UNIT (TAU) FOR SHORT BETWEEN CIRCUITS
•  Disconnect the tuner and amp unit (TAU) connector.
•  Inspect for continuity tuner and amp unit (TAU) terminals 2E and 2C (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the tuner and amp unit (TAU) and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the tuner and amp unit (TAU) because there is a short between circuits in the tuner and amp unit (TAU).
(See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)
52
INSPECT BETWEEN MAZDA ERA-GLONASS CONTROL MODULE AND CONNECTOR C-45 FOR SHORT BETWEEN CIRCUITS
•  Inspect for continuity between MAZDA ERA-GLONASS control module terminals 1Q and 1S.
•  Is there continuity?
Yes
Go to the next step.
No
Go to Step 54.
53
INSPECT MAZDA ERA-GLONASS CONTROL MODULE FOR SHORT BETWEEN CIRCUITS
•  Disconnect the MAZDA ERA-GLONASS control module connector.
•  Inspect for continuity MAZDA ERA-GLONASS control module terminals 1Q and 1S (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the MAZDA ERA-GLONASS control module and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the MAZDA ERA-GLONASS control module because there is a short between circuits in the MAZDA ERA-GLONASS control module.
(See MAZDA ERA-GLONASS CONTROL MODULE REMOVAL/INSTALLATION.)
54
INSPECT INSTRUMENT CLUSTER FOR SHORT BETWEEN CIRCUITS
•  Disconnect the instrument cluster connector.
•  Inspect for continuity instrument cluster terminals 1B and 1D (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the instrument cluster and connector C-45 because the wiring harness is shorted between circuits.
No
Replace the instrument cluster because there is a short between circuits in the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
55
INSPECT PCM FOR SHORT BETWEEN CIRCUITS
•  Disconnect the PCM connector.
•  Inspect for continuity between PCM terminals 2AK and 2AL (wiring harness side).
•  Is there continuity?
Yes
Repair or replace the wiring harness between the PCM and connector C-42 because the wiring harness is shorted between circuits.
No
Replace the PCM because there is a short between circuits in the PCM.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T].)