CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
Disconnect the S5 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
Measure the resistance and voltage according to the value(s) in the table below.
Tech Tips
Measure the values on the wire harness side with the connector disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| S5-8 (B) - S5-12 (E) | L - W-B | Battery power supply | Always | 11 to 14 V |
| S5-1 (IG) - S5-12 (E) | V - W-B | IG power supply | Engine switch off | Below 1 V |
| S5-1 (IG) - S5-12 (E) | V - W-B | IG power supply | Engine switch on (IG) | 11 to 14 V |
| S5-12 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the S5 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| S5-7 (OPN) - S5-12 (E) | Y - W-B | OPEN switch input signal | Engine switch on (IG), OPEN switch on | Below 1 V |
| S5-7 (OPN) - S5-12 (E) | Y - W-B | OPEN switch input signal | Engine switch on (IG), OPEN switch off | 11 to 14 V |
| S5-5 (CLS) - S5-12 (E) | R - W-B | CLOSE switch input signal | Engine switch on (IG), CLOSE switch on | Below 1 V |
| S5-5 (CLS) - S5-12 (E) | R - W-B | CLOSE switch input signal | Engine switch on (IG), CLOSE switch off | 11 to 14 V |
| S5-4 (UP) - S5-12 (E) | W - W-B | UP switch input signal | Engine switch on (IG), UP switch on | Below 1 V |
| S5-4 (UP) - S5-12 (E) | W - W-B | UP switch input signal | Engine switch on (IG), UP switch off | 11 to 14 V |
| S5-6 (DWN) - S5-12 (E) | V - W-B | DOWN switch input signal | Engine switch on (IG), DOWN switch on | Below 1 V |
| S5-6 (DWN) - S5-12 (E) | V - W-B | DOWN switch input signal | Engine switch on (IG), DOWN switch off | 11 to 14 V |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY