Sensor, Switch and Relay
SENSOR, SWITCH AND RELAYREMOVAL AND INSTALLATION
Removal Steps 1-5:
WARNING Before removing the steering wheel and air bag module assembly, refer to, Service Precautions and Air Bag Module and Clock Spring.
NOTE: For details on the ABS sensor, please refer to Wheel Speed Sensor ABS Sensor Output Voltage Measurement at ABS-ECU
REMOVAL SERVICE POINT
<> STEERING WHEEL SENSOR REMOVAL
CAUTION: Make sure no oil adheres to the steering wheel sensor because a photocoupler is used.
Remove the steering wheel sensor from the column switch.
INSPECTION
ELECTRIC PUMP RELAY CONTINUITY CHECK
1. Using a jumper wire, connect a battery (+) to terminal No.2 of the electric pump relay and battery (-) to terminal No. 1.
2. While intermittently disconnecting the jumper wire at the battery side, check for continuity between terminals No.3 and No.4 of the electric pump relay.
ACD MODE CHANGEOVER SWITCH CONTINUITY CHECK