B2118

B2118 TILT SENSOR





Description
- The tilt sensor is installed to the steering column assembly.
- The resistance of tilt sensor is changed according to the up/down position of steering column.
- The terminal voltage of automatic drive positioner control unit will be changed according to a change of tilt sensor resistance. Automatic drive positioner control unit calculates the tilt position from the voltage.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1. STEP 1
Turn ignition switch ON.
- GO TO 2
2. STEP 2
Check "Self diagnostic result" with CONSULT-III.
Is the DTC detected?
YES - Perform diagnosis procedure.
NO - Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, Automatic Drive Positioner Control Unit.
1. CHECK TILT SENSOR SIGNAL
1. Turn ignition switch ON.
2. Select "TILT SEN" in "Data monitor" mode with CONSULT-III.
3. Check tilt sensor signal under the following condition.





Is the value normal?
YES - GO TO 4
NO - GO TO 2
2. CHECK FUNCTION





1. Turn ignition switch OFF.
2. Check voltage between automatic drive positioner connector and ground.





Is the inspection result normal?
YES - Tilt sensor circuit is OK.
NO - GO TO 3
3. CHECK HARNESS CONTINUITY





1. Disconnect automatic drive positioner control unit and tilt motor assembly.
2. Check continuity between automatic drive positioner connector
M33 (A), M34 (B) terminals 7, 33, 41 and tilt motor assembly connector M85 (C) terminals 2, 3, 4.

7 - 3 : Continuity should exist.
33 - 2 : Continuity should exist.
41 - 4 : Continuity should exist.

3. Check continuity between automatic drive positioner control unit connectors M33 (A), M34 (B) terminals 7, 33, 41 and ground.

7 - Ground : Continuity should not exist.
33 - Ground : Continuity should not exist.
41 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - Replace tilt motor assembly. Tilt System.
NO - Repair or replace harness.
4. CHECK DOOR MIRROR OPERATION
1. Connect automatic drive positioner control unit and tilt motor assembly.
2. Turn ignition switch ON.
3. Check door mirror operation with memory function.
Is the operation normal?
YES - Replace tilt motor assembly. Tilt System.
NO - GO TO 5
5. CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - Replace automatic drive positioner control unit. Removal and Replacement.
NO - Repair or replace the malfunctioning part.