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4WD Control System Operation Inspection

4WD Control System Operation Inspection

NOTE:
^ If it is difficult to shift between 4H and 4H-lock while vehicle is moving, stop vehicle and operate Transfer switch.
^ When ABS operates while shifting from 4H to 4H-lock (4H-lock to 4H), it becomes to disagreement of transfer switch and transfer position. End of the ABS operation, and then transfer shifting from 4H to 4H-lock (4H-lock to 4H).
^ Transfer position indicator blinks during shifting process.
^ Transfer position indicator blinks and warning buzzer sounds during N position at intervals of 3 seconds.
^ When shifting to N or 4L-lock does not shifts, try the following procedure.
- For M/T model, shift transmission to N (Neutral) position, turn ignition switch to ON position, depress clutch pedal and brake pedal while engine is running, and then try shifting again.
- For A/T model, turn ignition switch to ON position, move vehicles lowly back or forth a few feet, depress brake pedal, and then try shifting again.

1. Inspect shift operation from 4H to 4H-lock as follows.
a. Start engine.
b. Position front wheels straight ahead.
c. Confirm that vehicle is under following conditions.
^ Transfer shift position is 4H.
^ Vehicle speed is less than 100 km/h (60 mph).
d. Turn transfer switch to 4H-lock position.
e. Check that differential lock indicator blinks, and then comes ON steady.
2. Inspect shift operation from 4H-lock to 4L-lock as follows.
a. Stop vehicle completely with engine running.
b. Position front wheels straight ahead.
c. Confirm that vehicle is under following conditions.
^ Transfer shift position is 4H-lock.
^ Transmission shift lever is at N position. (for A/T model)
^ Clutch pedal is depressed fully. (for M/T model)
^ Brake pedal is depressed.
d. Push and turn transfer switch to 4L-lock position.
e. Check that 4L indicator blink, and then differential lock indicator and 4L indicator comes ON steady.
3. Inspect shift operation from 4L-lock to 4H-lock as follows.
a. Stop vehicle completely with engine running.
b. Position front wheels straight ahead.
c. Confirm that vehicle is under following conditions.
^ Transfer shift position is 4L-lock.
^ Transmission shift lever is at N position. (for A/T model)
^ Clutch pedal is depressed fully. (for M/T model)
^ Brake pedal is depressed.
d. Push and turn transfer switch to 4H-lock position.
e. Check that 4L indicator blink, and then differential lock indicator comes ON steady and 4L indicator not come ON.
4. Inspect shift operation from 4H-lock to 4H as follows.
a. Start engine.
b. Position front wheels straight ahead.
c. Confirm that vehicle is under following conditions.
^ Transfer shift position is 4H-lock.
^ Vehicle speed is less than 100 km/h (60 mph).
d. Turn transfer switch to 4H position.
e. Check that differential lock indicator blinks, and then not comes ON.
5. Inspect shift operation from 4H to N as follows.
a. Stop vehicle completely with engine running.
b. Position front wheels straight ahead.
c. Confirm that vehicle is under following conditions.
^ Transfer shift position is 4H.
^ Transmission shift lever is at N position. (for A/T model)
^ Clutch pedal is depressed fully. (for M/T model)
^ Brake pedal is depressed.
d. Turn transfer switch to (*square*) position (1), keep it there for about 10 seconds, and then turn it to N position after N indicator blinks.





e. Check that N indicator blinks and warning buzzer sounds, and then N indicator comes ON steady.