Control Module: Testing and Inspection

4WD INDICATOR CONTROL UNIT CHECK
1. Remove the radio or CD player.





2. Remove the 4WD indicator control unit.











3. Measure the voltage at the terminals under each condition.
4. Carry out the voltage measurements with the harness disconnected from the control unit. Insert the probe from the rear of the connector and take the measurement between terminal (8) (ground terminal) and the respective terminals.

NOTE: Battery positive voltage marked with (*) is 1-2V lower than actual battery positive voltage.