NO.1 ANY OF THE FOLLOWING LIGHTS ARE NOT ILLUMINATED WITH THE IGNITION SWITCHED ON: (ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS/DSC INDICATOR LIGHT AND/OR TCS OFF INDICATOR LIGHT (WITHOUT OFF-ROAD TRACTION ASSIST)/OFF-ROAD TRACTION ASSIST INDICATOR LIGHT (WITH OFF-ROAD TRACTION ASSIST)) [DYNAMIC STABILITY CONTROL (DSC)]

id0403b2899900

1

Any of the following lights are not illuminated with the ignition switched ON: (ABS warning light, brake system warning light, TCS/DSC indicator light and/or TCS OFF indicator light (without Off-road traction assist)/Off-road traction assist indicator light (with Off-road traction assist))
POSSIBLE CAUSE
•  DSC HU/CM does not operate.
•  Communication error between DSC HU/CM and instrument cluster
•  DSC HU/CM internal malfunction
•  Instrument cluster malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
CONFIRM DSC HU/CM DTC
•  Retrieve the DSC HU/CM DTC using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [DSC HU/CM].)
No
Go to the next step.
2
VERIFY WHETHER MALFUNCTION IS INSTRUMENT CLUSTER OR ELSEWHERE
•  Switch the ignition ON.
•  Are other warning and indicator lights illuminated?
Yes
Go to the next step.
No
Inspect the instrument cluster for power supply and ground circuit.
(See INSTRUMENT CLUSTER INSPECTION.)
•  If there is a malfunction, repair or replace any malfunctioning parts according to the inspection result.
3
INSPECT CONNECTION OF DSC HU/CM CONNECTOR
•  Inspect connection of the DSC HU/CM connector.
•  Is the DSC HU/CM connector connected securely?
Yes
Go to the next step.
No
Connect the DSC HU/CM connector securely, then go to the next step.
4
INSPECT CONNECTION OF CONNECTOR TERMINAL
•  Is there a poor connection in the DSC HU/CM, instrument cluster, or related-connector terminal?
Yes
Repair the poor connection location of the terminal.
Note
•  Tool used (Reference): PROBE KIT (49US-15-1A0)
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No
Go to the next step.
5
VERIFY DTC FOR CAN SYSTEM WIRING HARNESS
•  Retrieve the DSC HU/CM DTC using the M-MDS.
•  Is the DTC U0001:88 present?
Yes
Go to the next step.
No
Inspect the instrument cluster.
(See INSTRUMENT CLUSTER INSPECTION.)
•  If there is malfunction, replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
6
VERIFY DTC FOR MODULE COMMUNICATION
•  Retrieve the DSC HU/CM DTC using the M-MDS.
•  Is the DTC U0100:00, U0101:00, U0104:00, U0114:00, U0128:00, U0131:00, U0140:00, U0151:00, U0155:00, or U0235:00 present?
Yes
Go to the applicable DTC inspection. (Communication error between each module (CAN))
(See DTC U0001:88/U0100:00/U0101:00/U0104:00/U0114:00/U0128:00/U0131:00/U0140:00/U0151:00/U0155:00/U0235:00/U023A:00 [DSC HU/CM].)
No
Inspect the instrument cluster.
(See INSTRUMENT CLUSTER INSPECTION.)
•  If there is malfunction, replace the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.))