ON-BOARD DIAGNOSTIC
F2–151
F2
Diagnostic procedure
End Of Sie
STEP INSPECTION ACTION
1 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related repair information available?
Yes Perform repair or diagnosis according to available Service
Information.
• If vehicle is not repaired, go to next step.
No Go to next step.
2 INSPECT POOR CONNECTION OF ENGINE
SWITCH CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
Yes Repair or replace suspected terminal, go to Step 6.
No Go to next step.
3 INSPECT ENGINE SWITCH SIGNAL CIRCUIT
FOR SHORT TO POWER
• Turn engine switch to ON (Engine OFF).
• Inspect voltage between engine switch terminal
A and body GND.
• Is voltage below 1.0 V?
Yes Go to next step.
No Repair or replace harness for short to power, go to Step 6.
4 INSPECT ENGINE SWITCH
• Inspect engine switch.
• Is there any malfunction?
Yes Replace engine switch, go to Step 6.
No Go to next step.
5 INSPECT POOR CONNECTION OF PCM
CONNECTOR
• Turn engine switch to OFF.
• Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
• Is there any malfunction?
Yes Repair or replace suspected terminal, go to next step.
No Go to next step.
6 VERIFY TROUBLESHOOTING OF DTC P0512
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear DTC from PCM memory using WDS or
equivalent.
• Start engine.
• Is same DTC present?
Yes Replace PCM, go to next step.
(See F2–64 PCM REMOVAL/INSTALLATION)
No Go to next step.
7 VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
(See F2–86 AFTER REPAIR PROCEDURE)
• Is there any DTC present?
Yes Go to applicable DTC inspection.
(See F2–87 DTC TABLE)
No Troubleshooting completed.
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