Sliding Roof ECU Power Source Circuit

SLIDING ROOF: SLIDING ROOF SYSTEM: Sliding Roof ECU Power Source Circuit

Sliding Roof ECU Power Source Circuit

DESCRIPTION

If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof ECU power source circuit.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (S/ROOF, D-IG1-3)
(a) Remove the S/ROOF and D-IG1-3 fuses from the main body ECU (driver side junction block).
(b) Measure the resistance of the fuses.
Standard resistance:






NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR - BODY GROUND)




(a) Disconnect the X5 drive gear connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
Standard resistance:





Standard voltage





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)