Sensor Signal Check (Test Mode)
SENSOR SIGNAL CHECK (TEST MODE)HINT: If the ignition switch is turned from ON to ACC or LOCK during test mode, DTC will be erased.
a. In case of not using hand-held tester:
Check the sensor signal.
1. Turn the ignition switch OFF.
2. Using SST, connect terminals Ts and CG of DLC3.
SST 09843-18040
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 and Ts circuit.
5. Keep the vehicle in the stationary condition on the flat place for 6 sec. or more.
6. Shift the transfer lever in L4 position.
7. Shift the transfer lever in H position.
8. Drive vehicle straight forward.
When driving the vehicle with the speed faster than 45 km/h (28 mph)for several seconds, check that the ABS warning light comes off.
HINT: There is a case that the sensor check is not completed if the vehicle has its rear wheels spun or its steering wheel steered during this check.
9. Stop the vehicle.
10. Check ABS warning light lights up when the rear diff. lock indicator light lights up.
11. Using SST, connect terminals Tc and CG of DLC3.
SST 09843-18040
12. Read the number of blinks of the ABS warning light.
HINT:
- See the list of DTC.
- If every sensor is normal, a normal code is output (A cycle of 0.25 sec. ON and 0.25 sec. OFF is repeated).
- If 2 or more malfunctions are indicated at the same time, the lowest numbered code will be displayed 1st.
13. After doing the check, disconnect the SST from terminals of DLC3, and turn the ignition switch OFF.
SST 09843-18040
b. In case of using hand-held tester:
Check the sensor signal.
1. Hook up the hand-held tester to the DLC3.
2. Do step (3) to (9).
3. Read the DTC by following the prompts on the tester screen.
HINT: Please refer to the hand-held tester operator's manual for further details.
C1271/71 - C1283/83:
DTC of sensor check function: