Flow Chart No. 3: All Door Locks Operate From One Switch Only

Flow Chart No. 3 - Symptom - All locks work from one switch only.

Step 1
Check suspect door lock switch.
1. Remove suspect door lock switch.
2. Perform power door lock switch inspection.




2. Did switch test OK?

Step 2




Check supply to switch.
1. Check B/W circuit for LH or RH switch voltage.




2. Is there battery voltage?

Step 3
Check P/Y circuit.




1. Remove opposite door lock switch, then, using an ohmmeter check P/W circuit from left-hand door lock switch connector to P/W circuit at right-hand door lock switch connector for continuity.




2. Is there continuity?

Step 4
Check P/LG circuit.




1. Using an ohmmeter, check P/LG circuit from left-hand door lock switch connector to P/LG circuit at right-hand door lock switch connector for continuity.




2. Is there continuity?