B170F

B170F SENSOR POWER SUPPLY





DTC Logic

DTC DETECTION LOGIC

NOTE:
If two or more DTCs are detected, 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 fully open and fully close.
3. Check DTC.
Is DTC detected?
YES - Go to B170C.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK ROOF LATCH LOCK SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect roof latch assembly (roof latch lock sensor) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between roof latch assembly (roof latch lock sensor) harness connector and ground.





Is the inspection result normal?
YES - GO TO 9.
NO - GO TO 2.
2.CHECK ROOF LATCH LOCK SENSOR POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect retractable hard top control unit harness connector.
3. Check the continuity between roof latch assembly (roof latch lock sensor) harness connector and retractable hard top control unit harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK SENSOR POWER SUPPLY CIRCUIT
1. Disconnect following parts harness connector.
- Hydraulic unit
- Parcel shelf unit
- Roof latch assembly
- Trunk link sensor (LH)
- Trunk link sensor (RH)
2. Check harness for short to ground (Check the continuity between following parts harness connector and ground, or retractable hard top control unit harness connector and ground).





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK PARCEL SHELF UNIT
1. Reconnect retractable hard top control unit harness connector and parcel shelf unit harness connector.
2. Turn ignition switch ON.
3. Check DTC.
Is DTC B170F displayed?
YES - Replace parcel shelf unit. Removal And Installation.
NO - GO TO 5.
5.CHECK ROOF LATCH ASSEMBLY
1. Turn ignition switch OFF.
2. Reconnect roof latch assembly harness connector.
3. Turn ignition switch ON.
4. Check DTC.
Is DTC B170F displayed?
YES - Replace roof latch assembly. Removal And Installation.
NO - GO TO 6.
6.CHECK TRUNK LINK SENSOR (LH)
1. Turn ignition switch OFF.
2. Reconnect trunk link sensor (LH) harness connector.
3. Turn ignition switch ON.
4. Check DTC.
Is DTC B170F displayed?
YES - Replace trunk link sensor (LH). Component Parts.
NO - GO TO 7.
7.CHECK TRUNK LINK SENSOR (RH)
1. Turn ignition switch OFF.
2. Reconnect trunk link sensor (RH) harness connector.
3. Turn ignition switch ON.
4. Check DTC.
Is DTC B170F displayed?
YES - Replace trunk link sensor (RH). Component Parts.
NO - GO TO 8.
8.CHECK HYDRAULIC UNIT
1. Turn ignition switch OFF.
2. Reconnect hydraulic unit harness connector.
3. Turn ignition switch ON.
4. Check DTC.
Is DTC B170F displayed?
YES - Replace hydraulic unit. Removal And Installation.
NO - GO TO 9.
9.REPLACE RETRACTABLE HARD TOP CONTROL UNIT
Replace retractable hard top control unit. Service and Repair.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 10.
10.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END