Diagnostic procedure
|
STEP
|
INSPECTION
|
ACTION
|
|
|---|---|---|---|
|
1
|
PERFORM DTC CONFIRMATION PROCEDURE
• Perform the DTC CONFIRMATION PROCEDURE.
• Is the same DTC present?
|
Yes
|
Go to the next step.
|
|
No
|
Intermittent concern exists. Go to the INTERMITTENT CONCERN TROUBLESHOOTING procedure.
|
||
|
2
|
INSPECT BATTERY
• Turn the ignition switch to the OFF position.
• Inspect the battery.
• Is the battery normal?
|
Yes
|
Replace the battery, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
3
|
INSPECT GENERATOR FOR POOR INSTALLATION
• Turn the ignition switch to the OFF position.
• Inspect for looseness of generator terminal B installation nut.
• Is the nut loose?
|
Yes
|
Tighten generator terminal B installation nut, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
4
|
INSPECT BATTERY POSITIVE FOR POOR INSTALLATION
• Inspect for looseness of the battery positive terminal.
• Is the terminal loose?
|
Yes
|
Connect the battery positive terminal correctly, then go to Step 6.
|
|
No
|
Go to the next step.
|
||
|
5
|
INSPECT BATTERY CHARGING CIRCUIT
• Start the engine.
• Disconnect the battery positive terminal.
• Does the engine stall?
|
Yes
|
Repair or replace the wiring harness between generator terminal B and the battery positive terminal, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
6
|
VERIFY TROUBLESHOOTING OF DTC P2502 COMPLETED
• Make sure to reconnect all connectors.
• Clear the DTC from the memory using the WDS or equivalent.
• Perform the KOER self-test.
(See KOEO/KOER SELF-TEST [LF, L3].)
• Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
7
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure".
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC troubleshooting.
(See DTC TABLE [LF, L3].)
|
|
No
|
Troubleshooting completed.
|
||
