B170F

DTC Logic


DTC DETECTION LOGIC

NOTE:
If two or more DTCs are detected, refer to "DTC Inspection Priority Chart" Related Tests, Information and Procedures, 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 "Diagnosis Procedure" 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. Refer to "REAR PARCEL SHELF UNIT : Removal and Installation" 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. Refer to "ROOF LOCK ASSEMBLY : Removal and Installation" 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). Refer to "Component Parts Location" 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). Refer to "Component Parts Location" 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. Refer to "Removal and Installation" Removal and Installation.
NO- GO TO 9.

9. REPLACE RETRACTABLE HARD TOP CONTROL UNIT

Replace retractable hard top control unit. Refer to "Removal and Installation" Service and Repair.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 10.

10. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END