Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028TAF |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM (for Gasoline Model): TERMINALS OF ECU; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 - ] |
TERMINALS OF ECU
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
(a) Disconnect the power distribution box assembly and main body ECU (multiplex network body ECU) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
8D-1 - Body ground
|
W-B - Body ground
|
Ground
|
Always
|
Below 1 Ω
|
8F-23 - Body ground
|
B - Body ground*1
W - Body ground*2
|
Battery power supply
|
Always
|
11 to 14 V
|
8K-1 - Body ground
|
W - Body ground*1
B - Body ground*2
|
Ignition power supply (IG signal)
|
Ignition switch ON
|
11 to 14 V
|
-
*1: for G16E-GTS
-
*2: except G16E-GTS
(c) Connect the power distribution box assembly and main body ECU (multiplex network body ECU) connectors.
(d) 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
|
8F-9 (CXP1) - Body ground
|
GR - Body ground*1
Y - Body ground*2
|
CXPI communication line
|
Ignition switch ON
|
Pulse generation
|
Ignition switch off
|
Below 1 V
|
I85-6 (WPS) - Body ground
|
R - Body ground*1
GR - Body ground*2
|
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
|
I85-11 (RWRY) - Body ground*3
|
L - Body ground*1
W - Body ground*2
|
Rear wiper motor assembly operation signal
|
Rear wiper motor assembly stopped
|
11 to 14 V
|
Rear wiper motor assembly operating
|
Below 1 V
|
-
*1: for G16E-GTS
-
*2: except G16E-GTS
-
*3: w/ Rear Wiper System
CHECK WINDSHIELD WIPER RELAY
(a) Disconnect the A55 and A56 windshield wiper relay connectors.
(b) 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 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
|
(c) Connect the A55 and A56 windshield wiper relay connectors.
(d) Measure the voltage and resistance and check for pulses according to the value(s) in the table below.
except TMC Made:
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
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
|
A56-3 (2S) - Body ground
|
V - Body ground
|
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
|
CXPI communication line
|
Ignition switch ON
|
Pulse generation
|
Less than approximately 100 seconds after ignition switch turned off
|
Approximately 100 seconds or more after ignition switch turned off
|
11 to 14 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 14V
|
Windshield wiper motor assembly stopped
|
Below 1 V
|
for TMC Made:
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
A55-1 (+WR) - Body ground
|
L - Body ground*1
G - Body ground*2
|
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*3
|
W - Body ground
|
Rear washer operation signal
|
Ignition switch ON, rear washer operating
|
11 to 14 V
|
A56-3 (2S) - Body ground
|
V - Body ground*1
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
|
GR - Body ground*1
P - Body ground*2
|
CXPI communication line
|
Ignition switch ON
|
Pulse generation
|
Less than approximately 100 seconds after ignition switch turned off
|
Approximately 100 seconds or more after ignition switch turned off
|
11 to 14 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 14V
|
Windshield wiper motor assembly stopped
|
Below 1 V
|
-
*1: for G16E-GTS
-
*2: except G16E-GTS
-
*3: w/ Rear Wiper System
CHECK COMBINATION METER ASSEMBLY (w/ Level Warning Switch)
-
except 12.3 Inch Display:
Click here
-
for 12.3 Inch Display
Click here
|