DTC P0616:29 [START STOP UNIT]

id0902p6022600

Description

Downstream side of starter relay signal malfunction
Detection condition
•  Start stop unit detects that the following signals are unmatched for 0.5 s or more for a continuous 5 times.
?  Transaxle range switch condition
?  Starter relay downstream circuit condition
?  PCM control result
?  CAN signal condition output from PCM
Fail-safe
Not applicable
Possible cause
•  DTCs are stored in the PCM.
•  PCM malfunction
•  Start stop unit malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY PCM DTCs
•  Retrieve the PCM DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (SKYACTIV-G 2.5T)].)
No
Go to the next step.
2
VERIFY IF MALFUNCTIONING LOCATION IS PCM DEPENDING ON REPEATABILITY
•  Clear the DTC for the start stop unit using the M-MDS.
•  With the programmed remote transmitter in the vehicle, switch the ignition ON (engine off).
•  Perform the following work 5 times or more.
?  Operate the selector lever to other than P and N position from P or N position and hold for 1 s or more.
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T].)
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the start stop unit using the M-MDS.
•  With the programmed remote transmitter in the vehicle, switch the ignition ON (engine off).
•  Perform the following work 5 times or more.
?  Operate the selector lever to other than P and N position from P or N position and hold for 1 s or more.
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the start stop unit, then go to the next step.
(See START STOP UNIT REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [START STOP UNIT].)
No
DTC troubleshooting completed.