B1762

B1762 ROOF STATE





Description
There are 42 states in retractable hard top, regardless of open and close operations. Retractable hard top system performs open and close operations using combination of these 42 states.




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 "Self diagnostic Result" with CONSULT-III.
Is DTC detected?
YES - Go to B1763.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK RETRACTABLE HARD TOP SYSTEM COMPONENT PARTS
Check retractable hard top component parts as bellow deformation, looseness, rattle, interference with other parts, and pinched foreign materials .
- Hydraulic system: Refer to Exploded View.
- Trunk lid: Refer to Exploded View.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace malfunctioning part.
PERFORM INITIALIZATION
1. Perform initialization without CONSULT-III (refer to Special Repair Requirement).
2. Perform DTC Confirmation Procedure. Refer to B1762.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 3.
3.CHECK TRUNK ROOM LAMP SWITCH
Check trunk room lamp switch. Refer to Component Function Check.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace malfunctioning part.
4.CHECK TRUNK ROOM LAMP SWITCH SIGNAL
Check retractable hard top control unit "Data Monitor" mode using CONSULT-III.





Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 5.
5.CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect trunk room lamp switch connector, BCM connector trunk closure sub-control unit connector and retractable hard top control unit connector.
3. Check continuity between retractable hard top control unit harness connector and trunk room lamp switch harness connector.





4. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Check trunk lid auto closure system. Refer to Closure Function.
NO - Repair harness or connector.
6.CHECK ROOF LATCH LIMIT SWITCH SIGNAL
1. Connect retractable hard top control unit connector.
2. Check retractable hard top control unit "Data Monitor" mode using CONSULT-III.





Is the inspection result normal?
YES - GO TO 9.
NO - GO TO 7.
7.CHECK ROOF LATCH LIMIT SWITCH CIRCUIT
1. Disconnect roof latch limit switch connector and retractable hard top control unit connector.
2. Check continuity between retractable hard top control unit harness connector and roof latch limit switch harness connector.





3. Check continuity between retractable hard top control harness connector and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair harness or connector.
8.CHECK ROOF LATCH LIMIT SWITCH CIRCUIT
Check continuity between retractable hard top control harness connector and ground.





Is the inspection result normal?
YES - Replace retractable hard top control unit. Refer to Service and Repair.
NO - Repair harness or connector.
9.CHECK HYDRAULIC PUMP POWER SUPPLY RELAY
Check hydraulic pump power supply relay. Refer to Hydraulic Pump Motor Power Supply Relay.
Is the inspection result normal?
YES - Check intermittent incident. Refer to Intermittent Incident.
NO - Replace hydraulic unit. Refer to Removal and Installation.