B173B

Description

There are 22 states in hydraulic system. Hydraulic system is controlled using combination of these 22 states and, at the same time, open and close operations of retractable hard top system are performed interlocking with other retractable hard top system components. For the detail,

CONTROL FUNCTION : System Description".


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 to fully open and fully close.
3.Check "Self-Diagnostic Result" of "RETRACTABLE HARD TOP" using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
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" Exploded View.
- Roof: Refer to "Exploded View" Exploded View.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning part.

2. CHECK HYDRAULIC PUMP POWER SUPPLY RELAY

Check hydraulic pump power supply relay. Refer to "Diagnosis Procedure" Hydraulic Pump Motor Power Supply Relay.
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace hydraulic unit. Refer to "Removal and Installation" Removal and Installation.