Lateral Accelerometer: Service and Repair
REMOVAL AND INSTALLATION1) Turn ignition switch to OFF.
2) Remove console cover.
3) Disconnect connector from G sensor.
4) Remove G sensor from body.
5) To install, reverse the removal procedure.
CAUTION:
^ Do not drop or bump G sensor.
INSPECTION WITH CIRCUIT TESTER
15B1: CHECK G SENSOR
1) Turn ignition switch to OFF.
2) Remove G sensor from vehicle.
3) Connect connector to G sensor.
4) Turn ignition switch to ON.
5) Measure voltage between G sensor connector terminals.
Connector & terminal
(P9)No 2 (+) - No. 3 (-)
^ CHECK: is the voltage 2.3 +0.2 V when G sensor is horizontal?
^ YES: Go to step 15B2.
^ NO: Replace G sensor.
15B2: CHECK G SENSOR
Measure voltage between G sensor connector terminals.
Connector & terminal
(P9)No. 2 (+) - No. 3 (-)
^ CHECK: Is the voltage 3.9 ± 0.2 V when G sensor is inclined forwards to 90± ?
^ YES: Go to step 15B3.
^ NO: Replace G sensor.
15B3: CHECK G SENSOR
Measure voltage between G sensor connector terminals.
Connector & terminal
(P9)No. 2 (+) - No. 3 (-)
^ CHECK: Is the voltage 0.7 ± 0.2 V when G sensor is inclined backwards to 90° ?
^ Yes: G sensor is normal.
^ NO: Replace G sensor.
INSPECTION WITH SELECT MONITOR
15C1: CHECK G SENSOR
1) Turn ignition switch to OFF.
2) Connect select monitor connector to data link connector.
3) Turn select monitor into {ABS/TCS} mode.
4) Set the display in the {Current Data Display & Save} mode.
5) Read the G sensor output voltage.
^ CHECK: Is the indicated reading 2.3+0.2 V when the vehicle is in horizontal position?
^ YES: Go to step 15C2.
^ No: Replace G sensor
15C2: CHECK G SENSOR
1) Remove console box.
2) Remove G sensor from vehicle. (Do not disconnect connector.)
3) Read the select monitor display.
^ CHECK: Is the indicated reading 3.9ia2 V when G sensor is inclined forwards to 90D ?
^ YES: Go to step 15C3.
^ NO: Replace G sensor.
15C3: CHECK G SENSOR
Read the select monitor display.
^ CHECK: Is the indicated reading 0.7±0.2 V when G sensor is inclined backwards to 90° ?
^ Yes: G sensor is normal.
^ NO: Replace G sensor.