B250B

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B250B: Short in Back Window Panel Drive Motor RH Circuit
B250B - Short in Back Window Panel Drive Motor RH Circuit

DESCRIPTION

The sliding roof control ECU assembly operates the roof panels, luggage door, back window panel and package trays in the specified order while the sliding roof switch assembly is operated. The sliding roof drive gear assembly (back window motor RH/LH) operates the back window panel.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
* Since this malfunction may be detected due to the protection circuit operation in the motor, check that the motor has cooled down sufficiently before performing DTC check again.
* These DTCs are stored when the protection circuit in the motor operates due to a mechanical malfunction during metal top system operation.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. INSPECT SLIDING ROOF DRIVE GEAR ASSEMBLY (BACK WINDOW MOTOR RH)

(a) Remove the sliding roof drive gear assembly (back window motor RH).

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY (BACK WINDOW MOTOR RH)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (SLIDE ROOF MOTOR ASSEMBLY - SLIDING ROOF CONTROL ECU)

(a) Disconnect the P57 and P55 connectors.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK SLIDE ROOF MOTOR ASSEMBLY (BACK WINDOW LINK ARM RH) (HARNESS AND CONNECTOR)

(a) Disconnect the P57 and A connectors.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE SLIDE ROOF MOTOR ASSEMBLY (BACK WINDOW LINK ARM RH)

OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY