B1712

B1712 TRUNK STATUS SENSOR





Description
Trunk status sensor is in trunk drive cylinder LH. This sensor is a hall sensor that generates a magnetic field.
This changes sensor output voltage. Retractable hard top control unit detects trunk (front side) fully open position by this voltage change.




DTC Logic

DTC DETECTION LOGIC

NOTE:
If two or more DTCs are detected, refer to Retractable Hard Top Control Unit, and determine trouble diagnosis order.






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine.
2. Operate retractable hard top to fully open and fully close.
3. Check DTC.
Is DTC detected?
YES - Go to B170C.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK TRUNK STATUS SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect hydraulic unit (trunk status sensor) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between hydraulic unit (trunk status sensor) harness connector and ground.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace harness.
2.CHECK TRUNK STATUS SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect retractable hard top control unit harness connector.
3. Check the continuity between hydraulic unit (trunk status sensor) harness connector and retractable hard top control unit harness connector.





4. Check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.REPLACE HYDRAULIC UNIT
Replace hydraulic unit. Refer to Removal and Installation.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 4.
4.REPLACE RETRACTABLE HARD TOP CONTROL UNIT
Replace retractable hard top control unit. Refer to Service and Repair.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END