B175F

B175F POWER SOURCE (POWER WINDOW)





Description
Retractable hard top control unit watches power supply condition of power supply (power window) terminal.




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 "Self-Diagnostic Result" of "RETRACTABLE HARD TOP" using CONSULT-III.
Is DTC detected?
YES - Go to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK CHARGING SYSTEM
Check charging system. Work Flow.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace malfunctioning part.
2.CHECK POWER WINDOW MAIN SWITCH AND POWER WINDOW SUB-SWITCH POWER SUPPLY AND
GROUND CIRCUIT
Check power window main switch and power window sub-switch power supply and ground circuit. Power Window Main Switch.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace malfunctioning part.
3.CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Power Supply And Ground Circuit.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace malfunctioning part.
4.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect retractable hard top control unit connector.
3. Turn ignition switch ON.
4. Check voltage between retractable hard top control unit harness connector and ground.





s the inspection result normal?
YES - Replace retractable hard top control unit. Service and Repair.
NO - GO TO 5.
5.CHECK CONTINUITY POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and retractable hard top control unit harness connector.





4. Also check harness for short to ground.
Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair or replace harness.