B251E

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B251E: Short to GND in Roof or Quarter Window Motor LH Circuit
B251E - Short to GND in Roof or Quarter Window Motor LH Circuit

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 LH (ROOF MOTOR LH)

(a) Disconnect the Q40 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 LH (ROOF MOTOR LH)
OK -- Continue to next step.

2. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

(a) Disconnect the Q19 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 LH
OK -- Continue to next step.

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

(a) Disconnect the Q33 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