DIAGNOSIS PROCEDURE |
STEP 1. Check for short circuit, and open circuit in BAT line between the fusible link (5) and the A/T-ECU connector. |
Q.
Is the check result normal?
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STEP 2. Check for short circuit, and open circuit in IGSW line between the IG1 relay connector and the A/T-ECU connector. |
Q.
Is the check result normal?
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STEP 3. Check for open circuit in GRP1 line between the A/T-ECU connector and earth. |
Q.
Is the check result normal?
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STEP 4. Retest the system. |
Recheck the trouble symptom. |
Q.
Does the malfunction take place again?
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