Deceleration Sensor Operation/Check

a. Check the deceleration sensor detection point.
1. Turn the ignition switch OFF.




2. Using SST, connect terminals Ts and E1 of the DLC1.
SST 09843-18020
3. Start the engine.




4. Check that the ABS warning light blinks.

HINT: If the ABS warning light does not blink, inspect the ABS warning light circuit




5. Jack up the rear side of the vehicle slowly, as shown.

HINT: When measuring the height, measure at the center of the lower body of the vehicle.

6. Check that the ABS warning light blinks.
If the warning light turns on, inspect the deceleration sensor installation. If the sensor installation is OK, replace the deceleration sensor.
7. Jack down the vehicle slowly.




8. Jack up the front side of the vehicle slowly, as shown.

HINT: When measuring the height, measure at the center of the lower body of the vehicle.

9. Check that the ABS warning light blinks. If the warning light turns on, inspect the deceleration sensor installation. If the sensor installation is OK, replace the deceleration sensor.
10. Jack down the vehicle slowly.




b. Check the deceleration sensor operation.
1. Drive the vehicle straight ahead at about 20 kph (12.4mph) or more, lightly depress the brake pedal.
2. Check that there is no change in the warning light pattern.




3. Drive the vehicle straight ahead at about 20 kph (12.4 mph) or more, and depress the brake pedal moderately.
4. Check that the warning light turns on while braking.




5. Drive the vehicle straight ahead at about 20 kph (12.4 mph) or more, and depress the brake pedal strongly.
6. Check that the warning light pattern changes while braking, as shown.
If the operation is not as specified, inspect the deceleration sensor installation. If the sensor installation is OK, replace the deceleration sensor.
7. Stop the vehicle and turn the ignition switch OFF.
8. Remove SST from the terminals Ts and E1 of the DLC1.
SST 09843-18020