B1758

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, refer to "DTC Inspection Priority Chart" Related Tests, Information and Procedures, 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.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC Confirmation Procedure. Refer to "DTC Logic" B1701.
Is the DTC displayed again?
YES- Replace retractable hard top control unit. Refer to "Diagnosis Procedure" B1754.
NO- INSPECTION END