STEP 1. Checking engine start conditions.
STEP 2. Check the battery.
STEP 3. Check the drive belt tension
STEP 4. Check of short to ground, open circuit and harness damage in LNBS line between generator connector and ECM connector.
STEP 5. Check of harness damage in BACK line between battery and ECM connector.
STEP 6. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
(1) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-IIISE)
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(2) Start the engine and run at idle.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC P0620 set?
Go to Step 7. It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ Inspection Service Points - How to Cope with Intermittent Malfunctions .
STEP 7. Replace the drive belt.
(1) Replace the drive belt.
(2) Start the engine and run at idle.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is DTC P0620 set?
Go to Step 8. The inspection is complete.
STEP 8. Replace the generator.
(1) Replace the generator.
(2) Start the engine and run at idle.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is DTC P0620 set?
Replace the ECM (Refer to Removal and Installation ). Then go to Step 9. The inspection is complete.
STEP 9. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
(1) Start the engine and run at idle.
(2) After the DTC has been deleted, read the DTC again.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Is DTC P0620 set?
Retry the troubleshooting. The inspection is complete.