Gear Sensor/Switch: Service and Repair

SWITCHES
TRANSFER 4WD SWITCH





1. Remove console box and lift transmission control lever boots No. 2 and No. 3.
2. Remove transfer control lever boot No. 2, unclamp wiring on transfer case to free it and pull off coupler.
3. Replace switch and connect as it was.
4. Turn ON ignition switch, shift transfer shift control lever to 4WD position and check that indicator lights. Turn OFF switch after checking.





NOTE:
^ When removing and reinstalling switch, use care not to let dust enter transfer box inside.
^ Make sure to reset clamp for wiring which is located where invisible directly.
^ It is recommended to work on transfer shift control lever boot No. 1 from underside of vehicle on lift.
^ Identify this switch by its leg part which is different for that of back up light switch.

BACK UP LIGHT SWITCH





WARNING: Refrain from work while exhaust center pipe is hot.

REMOVAL AND INSTALLATION

NOTE: When replacing switch, use care not to let dust enter transmission through switch hole.

1. Lift up vehicle.
2. Remove coupler(s) for switch wiring.





3. Replace switch, connect and clamp as they were.
4. When back up light switch has been replaced, check switch for proper function with ignition switch turned ON and gear shifted to reverse position. Turn OFF switch after checking its function.

INSPECTION OF 4WD SWITCH AND BACK UP LIGHT SWITCH





1. Undo clamp at the back of intake manifold and then disconnect coupler.





2. Function of back up light switch can be checked also at terminal 3 and 4 in coupler.
There should be conduction at these terminals only when shift lever is shifted to reverse position.
3. Function of transfer 4WD switch can be checked at terminal 2 and 5 in this coupler.
There should be conduction at these terminals when shift lever is shifted to 4H, and 4L positions.
Upon completion of check, connect coupler and clamp wiring harness as they were.

NOTE: When replacing switch(es), use care not to let dust enter transmission through switch hole(s).