Door courtesy switch circuit

The main body ecu detects the condition of the door courtesy switch.

1. 1
   Read value of intelligent tester (door courtesy light switch)
2. 2
   Connect the intelligent tester (with can vim) to the dlc3.
3. 3
   Turn the ignition switch to the on position and press the intelligent tester main switch on.
4. 4
   Select the items below in the data list, and read the displays on the intelligent tester.

   

2. Inspect courtesy light switch

1. 1
   Remove the door courtesy light switch.
2. 2
   Measure the resistance of the switch.

Standard resistance: front lh, front rh, rear lh, rear rh, back door

3. Check wire harness (main body ecu - courtesy light switch)

1. 1
   Connect the courtesy light switch.
2. 2
   Disconnect the ia, ic and id instrument panel junction block connectors.
3. 3
   Disconnect the e15 main body ecu connector.
4. 4
   Measure the resistance of the wire harness side connectors.

Front door lh

Front door rh

Rear door rh

Rear door lh

Back door