Symptom 1: Telescopic System Does Not Operate
Symptom 1: Telescopic System does not Operate1. CHECK STEERING WHEEL TELESCOPIC MECHANISM
Check the following.
^ Operation malfunction caused by steering wheel telescopic mechanism deformation or pinched harness or other foreign materials.
^ Operation malfunction and interference with other parts by poor installation.
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK TELESCOPIC SWITCH INPUT/OUTPUT
1. Disconnect ADP steering switch connector.
2. Turn ignition switch ON.
3. Check voltage between ADP steering switch harness connector and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. CHECK ADP STEERING SWITCH GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between ADP steering switch harness connector and ground.
OK or NG
OK >> GO TO 4.
NG >> Replace or replace harness.
4. CHECK TELESCOPIC SWITCH
Check continuity between ADP steering switch connector.
OK or NG
OK >> GO TO 6.
NG >> Replace ADP steering switch.
5. CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit connector.
2. Check continuity between the following terminals.
- Automatic drive positioner control unit harness connector M96 terminal 11 and ADP steering switch harness connector M100 terminal 5.
- Automatic drive positioner control unit harness connector M96 terminal 27 and ADP steering switch harness connector M100 terminal 4.
- Automatic drive positioner control unit harness connector M96 terminal 11 and ground.
- Automatic drive positioner control unit harness connector M96 terminal 27 and ground.
11-5: Continuity should exist.
27-4: Continuity should exist.
11-Ground: Continuity should not exist.
27-Ground: Continuity should not exist.
OK or NG
OK >> Replace Automatic drive Positioner control unit.
NG >> Repair or replace harness.
6. CHECK AUTOMATIC DRIVE POISONER CONTROL UNIT OUTPUT SIGNAL
1. Disconnect tilt motor and telescopic motor connector.
2. Check voltage between tilt motor and telescopic motor harness connector and ground.
OK or NG
OK >> Replace tilt motor and telescopic motor.
NG >> GO TO 7.
7. CHECK TELESCOPIC MOTOR CIRCUIT
1. Disconnect automatic drive positioner control unit and tilt motor and telescopic motor connectors.
2. Check continuity between the following terminals.
- Automatic drive positioner control unit harness connector M97 terminal 36 and tilt motor and telescopic motor harness connector M98 terminal 3.
- Automatic drive positioner control unit harness connector M97 terminal 44 and tilt motor and telescopic motor harness connector M98 terminal 4.
- Automatic drive positioner control unit harness connector M97 terminal 36 and ground.
- Automatic drive positioner control unit harness connector M97 terminal 44 and ground.
36-3: Continuity should exist.
44-4: Continuity should exist.
36-Ground: Continuity should not exist.
44-Ground: Continuity should not exist.
OK or NG
OK >> Replace automatic drive positioner control unit.
NG >> Repair or replace harness.