CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK ASSEMBLY (for NR Series)
Disconnect the driver side junction block assembly and main body ECU (multiplex network body ECU) 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 |
|---|---|---|---|---|
| 4F-3 - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| 4B-1 - Body ground | B - Body ground | Battery power supply | Always | 11 to 14 V |
| 4D-1 - Body ground | B-R - Body ground | Battery power supply | Always | 11 to 14 V |
Connect the driver side junction block assembly and main body ECU (multiplex network body ECU) connectors.
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I84-5 (CXP1) - Body ground | BR - Body ground | CXPI communication line | Ignition switch ON | Pulse generation |
| Ignition switch off | Below 1 V | |||
| I85-21 (WPS) - Body ground | R - Body ground | IG1 NO. 3 relay operation signal | Ignition switch ON | 11 to 14 V |
| Less than approximately 60 seconds after ignition switch turned off | ||||
| Approximately 60 seconds or more after ignition switch turned off | Below 1 V |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY (except NR Series)
Disconnect the power distribution box assembly and main body ECU (multiplex network body ECU) 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 |
|---|---|---|---|---|
|
*1: for GTMC Made (M15C-FKS, 8ZR-FXE) *2: for GTMC Made (M20C-FKS) |
||||
| 10F-1 - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| 10A-23 - Body ground | W - Body ground | Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
| 10E-4 - Body ground | SB - Body ground
B - Body ground*1 P - Body ground*2 |
Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
| 10E-50 - Body ground | W - Body ground
Y - Body ground*1 |
Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
Connect the power distribution box assembly and main body ECU (multiplex network body ECU) connectors.
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
|
*: for GTMC Made (M15C-FKS, 8ZR-FXE) |
||||
| 10A-9 (CXP1) - Body ground | P - Body ground
Y - Body ground* |
CXPI communication line | Ignition switch ON | Pulse generation |
| Ignition switch off | Below 1 V | |||
| I85-6 (WPS) - Body ground | R - Body ground
P - Body ground* |
WIPER relay operation signal | Ignition switch ON | 11 to 14 V |
| Less than approximately 60 seconds after ignition switch turned off | ||||
| Approximately 60 seconds or more after ignition switch turned off | Below 1 V | |||
CHECK WINDSHIELD WIPER RELAY ASSEMBLY
Disconnect the A55 and A56 windshield wiper relay assembly 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 |
|---|---|---|---|---|
| A55-3 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| A55-5 (EWS) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| A55-6 (IGWS) - Body ground | L - Body ground | Washer circuit IG power source | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| A55-8 (+B) - Body ground | B - Body ground | Ignition switch ON (IG) signal (Power source circuit) | Ignition switch ON | 11 to 14 V |
| Less than approximately 60 seconds after ignition switch turned off | ||||
| Approximately 60 seconds or more after ignition switch turned off | Below 1 V | |||
| A56-5 (ES) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Connect the A55 and A56 windshield wiper relay assembly connectors.
Measure the voltage and resistance and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
|
*1: for NR Series *2: for GTMC Made (M15C-FKS, 8ZR-FXE) |
||||
| A55-1 (+WR) - Body ground | G - Body ground | Front washer operation signal | Ignition switch ON, front washer operating | 11 to 14 V |
| A55-2 (+1) - Body ground | R - Body ground | LO operation signal to windshield wiper motor assembly | Ignition switch ON, windshield wiper motor assembly operating in LO | 11 to 14 V |
| A55-4 (+2) - Body ground | W - Body ground | HI operation signal to windshield wiper motor assembly | Ignition switch ON, windshield wiper motor assembly operating in HI | 11 to 14 V |
| A55-7 (-WR) - Body ground*1 | W - Body ground | Ground | Always | Below 1 Ω |
| A56-3 (2S) - Body ground | V - Body ground
R - Body ground*2 |
Windshield wiper motor assembly HI operation signal | Windshield wiper motor assembly stopped | 4.5 to 5.5 V |
| Windshield wiper motor assembly operating in HI | Below 1 V | |||
| A56-4 (MPX1) - Body ground | P - Body ground
Y - Body ground*2 |
CXPI communication line | Ignition switch ON | Pulse generation |
| Ignition switch off | Below 1 V | |||
| A56-6 (+SM) - Body ground | G - Body ground | Windshield wiper motor assembly position detection signal | Windshield wiper motor assembly in LO or HI operation | Below 1 V ←→ 11 to 14 V |
| Windshield wiper motor assembly stopped | Below 1 V | |||