Sliding Roof ECU Power Source Circuit

SLIDING ROOF / CONVERTIBLE: 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. READ VALUE USING TECHSTREAM (ENGINE SWITCH SIGNAL)

(a) Use the Data List to check if the engine switch signal is functioning properly Scan Tool Testing and Procedures.

Sliding Roof





OK:

The Techstream displays as shown in the table according to the operation of each switch.

NG -- INSPECT FUSE (S/ROOF, ECU-IG NO. 2)

OK -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Disassembly

2. INSPECT FUSE (S/ROOF, ECU-IG NO. 2)

(a) Remove the S/ROOF and ECU-IG No. 2 fuses from the main body ECU.

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

Standard Resistance:





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

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

(a) Disconnect the R5 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) Disassembly