B1758

B1758 THERMO PROTECTION





Description
Retractable hard top control unit calculates hydraulic pump temperature according to system operating time, prevents hydraulic system temperature from increasing excessively, and protects the system.




DTC Logic

DTC DETECTION LOGIC

NOTE:
If two or more DTCs are detected, Roof Control System, and determine trouble diagnosis order.






DTC CONFIRMATION PROCEDURE
1.COOL DOWN HYDRAULIC SYSTEM
Wait 20 minutes without operation.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check "Self-Diagnostic Result" of "RETRACTABLE HARD TOP" using CONSULT-III.
Is DTC detected?
YES - Go to B1758.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure. B1701.
Is the DTC displayed again?
YES - Replace retractable hard top control unit. B1754.
NO - INSPECTION END