B251D

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B251D: Short to GND in Roof or Quarter Window Motor RH Circuit
B251D - Short to GND in Roof or Quarter Window Motor RH Circuit

SYSTEM DESCRIPTION

The sliding roof control ECU assembly drives roof motor and quarter window motor using this same circuit.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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

(a) Disconnect the P56 connector.





(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 RH (ROOF MOTOR RH)
OK -- Continue to next step.

2. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

(a) Disconnect the P44 connector.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (EACH MOTOR - SLIDING ROOF CONTROL ECU ASSEMBLY)

(a) Disconnect the P54 connector.





(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 -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY