WRENCH WARNING INDICATOR LIGHT TURNS ON OR FLASHES [SKYACTIV-D]


id0103s5107500

Troubleshooting item

WRENCH WARNING INDICATOR LIGHT TURNS ON OR FLASHES

Description
•  Wrench warning indicator light illuminated or flushes.
Possible cause
•  PCM DTC is stored.
•  Fuel filter water drain is necessary
•  Maintenance-period preset using vehicle status monitor arrives
•  Instrument cluster malfunction
•  Engine oil has deteriorated
•  The engine oil data reset was not performed after the engine oil replacement.
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable


Diagnostic Procedure

Step

Inspection

Results

Action

1
VERIFY PCM DTC
•  Retrieve PCM DTCs using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Wrench warning indicator light illumited:
•  Go to the next step.
Wrench warning indicator light flushes:
•  Perform the “FUEL FILTER WATER DRAINING”, then go to repair completion verification.
2
VERIFY THE MAINTENANCE PERIOD
•  Verify the vehicle status monitor with the center display.
•  Are there any items in the maintenance period?
Yes
Perform the applicable maintenance and reset the vehicle status monitor, then go to repair completion verification.
No
Go to the next step.
3
INSPECT INSTRUMENT CLUSTER FOR MALFUNCTION
•  Inspect the applicable part.
•  Is the part normal?
Yes
Replace the engine oil, then go to the next step.
(The engine oil data reset was not performed after the previous engine oil replacement.)
No
Replace the instrument cluster, then go to the next step.
Repair completion verification 1
VERIFY THAT VEHICLE IS REPAIRED
•  Install/connect the part removed/disconnected during the troubleshooting procedure.
•  Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting. (Explain contents of repair to customer)
No
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
•  If the CAN communication is normal, perform the diagnosis from Step 1.
―  If the malfunction recurs, go to the next step.
Repair completion verification 2
VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING
•  Verify repair information and verify that there is a new calibration in the PCM.
•  Is there a new calibration in the PCM?
Yes
Perform the PCM reprogramming and verify if the malfunction symptom was corrected.
•  If the malfunction recurs, replace the PCM.
No
Replace the PCM.