CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
*1: for LHD
*2: for RHD
Disconnect the Q25*1 or Q10*2 multiplex network master switch connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q25-11 (B) - Q25-12 (GND) | P - W-B | Power source (IG) | Always | 11 to 14 V |
| Q25-12 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q10-11 (B) - Q10-12 (GND) | P - W-B | Power source (IG) | Always | 11 to 14 V |
| Q10-12 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q25*1 or Q10*2 multiplex network master switch connector.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q25-15 (DOWN) - Q25-12 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q25-15 (DOWN) - Q25-12 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch LH down operated (Manual operation) | Below 1 V |
| Q25-18 (LED) - Q25-12 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q25-18 (LED) - Q25-12 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| Q25-20 (UP) - Q25-12 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q25-20 (UP) - Q25-12 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch LH up operated (Manual operation) | Below 1 V |
| Q25-17 (LIN1) - Q25-12 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q10-15 (DOWN) - Q10-12 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q10-15 (DOWN) - Q10-12 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch RH down operated (Manual operation) | Below 1 V |
| Q10-18 (LED) - Q10-12 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q10-18 (LED) - Q10-12 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| Q10-20 (UP) - Q10-12 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q10-20 (UP) - Q10-12 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch RH up operated (Manual operation) | Below 1 V |
| Q10-17 (LIN1) - Q10-12 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY
*1: for LHD
*2: for RHD
Disconnect the Q9*1 or Q24*2 front power window regulator switch assembly connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q9-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q24-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q9*1 or Q24*2 front power window regulator switch assembly connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q9-2 (UP) - Q9-5 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q9-2 (UP) - Q9-5 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch RH up operated (Manual operation) | Below 1 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Power switch on (IG), front door glass RH fully open | 11 to 14 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Power switch on (IG), front power window RH auto up or down function operating | Below 1 V |
| Q9-4 (AUTO) - Q9-5 (GND) | B - W-B | Power window motor auto up or down input | Power switch on (IG), front door glass RH fully closed | 11 to 14 V |
| Q9-8 (LED) - Q9-5 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q9-8 (LED) - Q9-5 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| Q9-10 (DOWN) - Q9-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q9-10 (DOWN) - Q9-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch RH down operated (Manual operation) | Below 1 V |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q24-2 (UP) - Q24-5 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q24-2 (UP) - Q24-5 (GND) | LG - W-B | Power window motor up input | Power switch on (IG), front power window switch LH up operated (Manual operation) | Below 1 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), front door glass LH fully open | 11 to 14 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), front power window LH auto up or down function operating | Below 1 V |
| Q24-4 (AUTO) - Q24-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), front door glass LH fully closed | 11 to 14 V |
| Q24-8 (LED) - Q24-5 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q24-8 (LED) - Q24-5 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| Q24-10 (DOWN) - Q24-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q24-10 (DOWN) - Q24-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), front power window switch LH down operated (Manual operation) | Below 1 V |
CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
Disconnect the R14 rear power window regulator switch LH connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R14-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R14 rear power window regulator switch LH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R14-2 (UP) - R14-5 (GND) | W - W-B | Power window motor up input | Power switch on (IG), rear power window switch LH not operated | 11 to 14 V |
| R14-2 (UP) - R14-5 (GND) | W - W-B | Power window motor up input | Power switch on (IG), rear power window switch LH down operated (Manual operation) | Below 1 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear door glass LH fully open | 11 to 14 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear power window LH auto up or down function operating | Below 1 V |
| R14-4 (AUTO) - R14-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear door glass LH fully closed | 11 to 14 V |
| R14-8 (LED) - R14-5 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| R14-8 (LED) - R14-5 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| R14-10 (DOWN) - R14-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch LH not operated | 11 to 14 V |
| R14-10 (DOWN) - R14-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch LH down operated (Manual operation) | Below 1 V |
CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH
Disconnect the R6 rear power window regulator switch RH connector.
Measure the resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R6-5 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R6 rear power window regulator switch RH connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R6-2 (UP) - R6-5 (GND) | W - W-B | Power window motor up input | Power switch on (IG), rear power window switch RH not operated | 11 to 14 V |
| R6-2 (UP) - R6-5 (GND) | W - W-B | Power window motor up input | Power switch on (IG), rear power window switch RH down operated (Manual operation) | Below 1 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear door glass RH fully open | 11 to 14 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear power window RH auto up or down function operating | Below 1 V |
| R6-4 (AUTO) - R6-5 (GND) | P - W-B | Power window motor auto up or down input | Power switch on (IG), rear door glass RH fully closed | 11 to 14 V |
| R6-8 (LED) - R6-5 (GND) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| R6-8 (LED) - R6-5 (GND) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| R6-10 (DOWN) - R6-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch RH not operated | 11 to 14 V |
| R6-10 (DOWN) - R6-5 (GND) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch RH down operated (Manual operation) | Below 1 V |
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
Disconnect the Q17 front power window regulator motor LH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q17-1 (E) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| Q17-2 (B) - Q17-1 (E) | R - BR | Power source | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q17 front power window regulator motor LH connector.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q17-5 (LED) - Q17-1 (E) | L - BR | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q17-5 (LED) - Q17-1 (E) | L - BR | LED illumination signal | Power switch off | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch LH down operated (Manual operation) | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front door glass LH fully closed | 11 to 14 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch LH down operated (Automatic operation) | Below 1 V |
| Q17-7 (DWN1) - Q17-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front door glass LH fully open | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch LH not operated | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch LH up operated (Manual operation) | Below 1 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front door glass LH fully open | 11 to 14 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch LH down operated (Automatic operation) | Below 1 V |
| Q17-10 (UP1) - Q17-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front door glass LH fully closed | 11 to 14 V |
| Q17-9 (LIN) - Q17-1 (E) | GR - BR | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
Disconnect the Q2 front power window regulator motor RH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q2-1 (E) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| Q2-2 (B) - Q2-1 (E) | R - BR | Power source | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q2 front power window regulator motor RH connector.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q2-5 (LED) - Q2-1 (E) | L - BR | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| Q2-5 (LED) - Q2-1 (E) | L - BR | LED illumination signal | Power switch off | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch RH down operated (Manual operation) | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front door glass RH fully closed | 11 to 14 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front power window switch RH down operated (Automatic operation) | Below 1 V |
| Q2-7 (DWN1) - Q2-1 (E) | R - BR | Power window motor down output | Power switch on (IG), front door glass RH fully open | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch RH not operated | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch RH up operated (Manual operation) | Below 1 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front door glass RH fully open | 11 to 14 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front power window switch RH down operated (Automatic operation) | Below 1 V |
| Q2-10 (UP1) - Q2-1 (E) | LG - BR | Power window motor up output | Power switch on (IG), front door glass RH fully closed | 11 to 14 V |
| Q2-9 (LIN) - Q2-1 (E) | V - BR | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
Disconnect the R9 rear power window regulator motor LH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R9-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| R9-2 (B) - R9-1 (E) | R - W-B | Power source | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R9 rear power window regulator motor LH connector.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R9-5 (LED) - R9-1 (E) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| R9-5 (LED) - R9-1 (E) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch LH not operated | 11 to 14 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch LH down operated (Manual operation) | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Power switch on (IG), rear door glass LH fully closed | 11 to 14 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Power switch on (IG), rear power window switch LH down operated (Automatic operation) | Below 1 V |
| R9-7 (DWN1) - R9-1 (E) | R - W-B | Power window motor down input | Power switch on (IG), rear door glass LH fully open | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch LH not operated | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch LH up operated (Manual operation) | Below 1 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear door glass LH fully open | 11 to 14 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch LH down operated (Automatic operation) | Below 1 V |
| R9-10 (UP1) - R9-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear door glass LH fully closed | 11 to 14 V |
| R9-9 (LIN) - R9-1 (E) | L - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
Disconnect the R1 rear power window regulator motor RH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R1-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| R1-2 (B) - R1-1 (E) | R - W-B | Power source | Always | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the R1 rear power window regulator motor RH connector.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| R1-5 (LED) - R1-1 (E) | L - W-B | LED illumination signal | Power switch on (IG) | 11 to 14 V |
| R1-5 (LED) - R1-1 (E) | L - W-B | LED illumination signal | Power switch off | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Power switch on (IG), rear power window switch RH not operated | 11 to 14 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Power switch on (IG), rear power window switch RH down operated (Manual operation) | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Power switch on (IG), rear door glass RH fully closed | 11 to 14 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Power switch on (IG), rear power window switch RH down operated (Automatic operation) | Below 1 V |
| R1-7 (DWN1) - R1-1 (E) | R - W-B | Power window motor down output | Power switch on (IG), rear door glass RH fully open | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch RH not operated | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch RH up operated (Manual operation) | Below 1 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear door glass RH fully open | 11 to 14 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear power window switch RH up operated (Automatic operation) | Below 1 V |
| R1-10 (UP1) - R1-1 (E) | W - W-B | Power window motor up output | Power switch on (IG), rear door glass RH fully closed | 11 to 14 V |
| R1-9 (LIN) - R1-1(E) | L - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK COWL SIDE JUNCTION BLOCK LH, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) Click here.
Connect the cowl side junction block LH connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-30 (BECU) - Body ground | - | Power source | Always | 11 to 14 V |
| A-31 (ALTB) - Body ground | - | Power source | Always | 11 to 14 V |
| A-32 (IG) - Body ground | - | Power source (IG) | Power switch on (IG) | 11 to 14 V |
| A-32 (IG) - Body ground | - | Power source (IG) | Power switch off | Below 1 V |
| A-29 (ACC) - Body ground | - | Power source (ACC) | Power switch on (ACC) | 11 to 14 V |
| A-29 (ACC) - Body ground | - | Power source (ACC) | Power switch off | Below 1 V |
| A-11 (GND1) - Body ground | - | Ground | Always | Below 1 Ω |
| N13-3 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness or cowl side junction block LH.
Install the main body ECU (multiplex network body ECU) Click here.
Measure the voltage and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 5C-44 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH open | Below 1 V |
| 5C-44 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH closed | Pulse generation |
| 5A-33 (FRCY) - Body ground | R - Body ground | Front door RH courtesy switch input | Front door RH open | Below 1 V |
| 5A-33 (FRCY) - Body ground | R - Body ground | Front door RH courtesy switch input | Front door RH closed | Pulse generation |
| 5C-28 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Power switch on (IG) | Pulse generation |
| 5C-29 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Power switch on (IG) | Pulse generation |
| 5A-50 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Power switch on (IG) | Pulse generation |
| 5A-56 (LIN2) - Body ground | Y - Body ground | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH
*: for LHD
Disconnect the Q19 front multiplex network door ECU LH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q19-4 (CPUB) - Q19-1 (GND) | P - W-B | Power source | Always | 11 to 14 V |
| Q19-6 (BDR) - Q19-1 (GND) | V - W-B | Power source | Always | 11 to 14 V |
| Q19-16 (BCUT)* - Q19-1 (GND) | W - W-B | Power source | Always | 11 to 14 V |
| Q19-3 (SIG) - Q19-1 (GND) | B - W-B | Power source (IG) | Power switch on (IG) | 11 to 14 V |
| Q19-3 (SIG) - Q19-1 (GND) | B - W-B | Power source (IG) | Power switch off | Below 1 V |
| Q19-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q19 front multiplex network door ECU LH connector.
Measure the voltage, resistance and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q19-5 (BDRJ) - Q19-1 (GND) | R - W-B | Power window regulator motor power supply | Always | 11 to 14 V |
| Q19-2 (PWE) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| Q19-15 (CPBJ)* - Q19-1 (GND) | P - W-B | Multiplex network master switch power supply | Always | 11 to 14 V |
| Q19-9 (SGND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Q18-9 (LIN3) - Q19-1 (GND) | GR - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
| Q18-8 (LIN2)* - Q19-1 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
| Q18-18 (LIN1) - Q19-1 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH
*: for RHD
Disconnect the Q4 front multiplex network door ECU RH connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q4-6 (BDR) - Body ground | V - Body ground | Power source | Always | 11 to 14 V |
| Q4-4 (CPUB) - Body ground | P - Body ground | Power source | Always | 11 to 14 V |
| Q4-16 (BCUT)* - Body ground | L - Body ground | Power source | Always | 11 to 14 V |
| Q4-3 (SIG) - Q4-1 (GND) | B - W-B | Power source (IG) | Power switch on (IG) | 11 to 14 V |
| Q4-3 (SIG) - Q4-1 (GND) | B - W-B | Power source (IG) | Power switch off | Below 1 V |
| Q4-1 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the Q4 front multiplex network door ECU RH connector.
Measure the voltage, resistance and waveform according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| Q4-2 (PWE) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| Q4-5 (BDRJ) - Body ground | R - Body ground | Power window regulator motor power supply | Always | 11 to 14 V |
| Q4-15 (CPBJ)* - Body ground | P - Body ground | Multiplex network master switch power supply | Always | 11 to 14 V |
| Q4-9 (SGND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| Q3-9 (LIN3) - Q4-1 (GND) | V - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
| Q3-8 (LIN2)* - Q4-1 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |
| Q3-18 (LIN1) - Q4-1 (GND) | Y - W-B | LIN communication signal | Power switch on (IG) | Pulse generation |