CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF])
Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P4-1 (B) - P4-2 (E) | W - W-B | Battery power supply | Always | 11 to 14 V |
| P4-2 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P4-10 (OPN) - P4-2 (E) | L - W-B | Sliding roof open switch input signal | Engine switch on (IG), sliding roof open switch off → on | 11 to 14 V → Below 1 V |
| P4-8 (CLS) - P4-2 (E) | SB - W-B | Sliding roof close switch input signal | Engine switch on (IG), sliding roof close switch off → on | 11 to 14 V → Below 1 V |
| P4-4 (TILT) - P4-2 (E) | V - W-B | Sliding roof tilt switch input signal | Engine switch on (IG), sliding roof tilt switch off → on | 11 to 14 V → Below 1 V |
| P4-9 (DWN) - P4-2 (E) | LG - W-B | Roof sunshade close switch input signal | Engine switch on (IG), roof sunshade close switch off → on | 11 to 14 V → Below 1 V |
| P4-5 (UP) - P4-2 (E) | GR - W-B | Roof sunshade open switch input signal | Engine switch on (IG), roof sunshade open switch off → on | 11 to 14 V → Below 1 V |
Measure the pulse according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P4-3 (MPX2) - Body ground | B - Body ground | LIN communication line | Engine switch on (IG) | Pulse generation |
| P4-7 (MPX1) - Body ground | P - Body ground | LIN communication line | Engine switch on (IG) | Pulse generation |
CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [ROOF SUNSHADE])
Disconnect the A roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-1 (+B) - A-2 (E) | R - B | Battery power supply | Always | 11 to 14 V |
| A-2 (E) - Body ground | B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the A roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) connector.
Check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-3 (LLIN) - Body ground | W - Body ground | LIN communication line | Engine switch on (IG) | Pulse generation |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY