DTC P0615:13 [START STOP UNIT]


id0902p6022200

System malfunction location

Starter relay circuit malfunction

Detection condition
•  The start stop unit detects an open circuit in the starter relay circuit for 1 s or more with the ignition switched off.
Fail-safe
Possible cause
•  Disconnect the start stop unit with the battery cables connected.
•  Starter relay malfunction
•  Start stop unit connector or terminal malfunction
•  Open circuit in wiring harness between the following terminals:
―  Starter relay terminal A and start stop unit terminal 2V
―  Starter relay terminal E and start stop unit terminal 1D
•  Start stop unit malfunction

Diagnostic Procedure

Step

Inspection

Action

1
INSPECT STARTER RELAY FOR MALFUNCTION
•  Switch the ignition to off.
•  Remove the starter relay.
•  Inspect the starter relay.
•  Is the starter relay normal?
 
Go to the next step.
No
Replace the starter relay, then go to Step 4.
2
INSPECT START STOP UNIT CONNECTOR CONDITION
•  Disconnect the start stop unit connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is the connector normal?
Yes
Go to the next step.
No
Repair or replace the connector, then go to Step 4.
3
INSPECT STARTER RELAY CIRCUIT FOR OPEN CIRCUIT
•  Verify that the starter relay is removed.
•  Verify that the start stop unit connector is disconnected.
•  Inspect the wiring harness between the following terminals (vehicle wiring harness side) for continuity.
―  Starter relay terminal A and start stop unit terminal 2V
―  Starter relay terminal E and start stop unit terminal 1D
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness which has an open circuit, then go to the next step.
4
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Reconnect all the disconnected connectors.
•  Clear DTC for the start stop unit using the M-MDS.
•  Switch the ignition to off and wait for 1 s or more.
•  Perform the DTC inspection for the start stop unit using the M-MDS.
•  Is DTC P0615:13 displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the start stop unit, then go to the next step.
No
Go to the next step.
5
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.