Operation CHARM: Car repair manuals for everyone.

Pinpoint Test 19


Flowchart No.19 Symptom Even if the ignition key is left in the ignition switch, ignition key reminder warning alarm does not sound when any door is opened

Possible cause
^ Damaged CPU
^ Damaged door switch
^ Open circuit in wiring harness
^ Poor connection of connector

Step 1
1. Remove the front side trim.
2. Remove the joint box attaching bolt and screw.
3. Remove the CPU from the joint box.

Voltmeter Connection:




Action Chart:





4. Make sure the ignition key is left in the ignition switch. 5. Measure the voltage at terminal 11 of the CPU connector on the joint box.

Step 2
1. Open any door.

Ohmmeter Connection:




Action Chart:





2. Check for continuity between terminal 1E of the CPU connector on the joint box and ground.

Step 3
1. Remove the door switches.

Ohmmeter Connection:




Reference:





2. Check for continuity between the terminal of each switch
3. If correct, repair the wiring harness (CPU-door switch).
4. If not as specified, replace the door switch.