WIPER AND WASHER SYSTEM > TERMINALS OF ECU

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CHECK ENGINE ROOM NO. 2 JUNCTION BLOCK (FRONT CONTROLLER)

E106799E01


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
FMIG (2E-3) - E (2F-1)
B-Y - W-B
IG signal circuit (to IG relay)
Engine switch off
Below 1 V
Engine switch on (IG)
10 to 14 V
FMB3 (2E-4) - E (2F-1)
G-R - W-B
Power source circuit (from battery)
Always
10 to 14 V
E (2F-1) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 V
W+ (2F-4) - E (2F-1)
L - W-B
Windshield washer motor circuit
Windshield washer motor OFF
Below 1 V
Windshield washer motor ON
10 to 14 V
MPX1 (2F-5) - E (2F-1)
GR*1 - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
GR-L*2 - W-B
MPX2 (2F-6) - E (2F-1)
GR-L - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
FRWA (2F-8) - E (2F-1)
L-O - W-B
Headlight cleaner operation signal
Windshield washer motor OFF
4.5 to 5.5 V
Windshield washer motor ON
Below 1 V

HINT:
  1. *1: LHD
  2. *2: RHD


CHECK COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU)

E106665E13


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
MPX1 (DA-20) - GND2 (DD-7)
GR - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
MPX1 (DA-20) - GND2 (DD-7)
GR - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
GND2 (DD-7) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 V
MPX1 (DA-26) - GND2 (DD-7)
G-R - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
BECU (DK-5) - GND2 (DD-7)
GR - W-B
ECU power supply (from battery)
Always
10 to 14 V
PKB (DL-10) - GND2 (DD-7)
Y-B - W-B
Parking brake switch circuit
Parking brake pedal is depressed
Below 1 V
Parking brake pedal is released
10 to 14 V
HDLO (A41-4) - GND2 (DD-7)
R - W-B
Headlight signal (to headlight cleaner relay)
Headlight switch is OFF
10 to 14 V
Headlight switch is LOW
Below 1 V
MPX2 (L68-21) - GND2 (DD-7)
O*1 - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
G*2 - W-B

HINT:
  1. *1: LHD
  2. *2: RHD


CHECK COWL SIDE JUNCTION BLOCK LH (COWL SIDE JUNCTION BLOCK ECU LH)

E107417E07


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
GND (PA-14) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 V
SGND (PD-8) - GND (PA-14)
W-B - W-B
Signal ground circuit
Always
Below 1 V
SGND (PD-9) - GND (PA-14)
W-B - W-B
Signal ground circuit
Always
Below 1 V
WIG (PK-9) - GND (PA-14)
L - W-B
Front wiper motor power source circuit
Engine switch off
Below 1 V
Engine switch on (IG)
10 to 14 V
MPXB (PL-1) - GND (PA-14)
G-R - W-B
ECU power supply (from battery)
Always
10 to 14 V
B (PM-1) - GND (PA-14)
W - W-B
Power source circuit (from battery)
Always
10 to 14 V
S/S (A32-1) - GND (PA-14)
Y - W-B
Front wiper motor power supply circuit (LOW signal)
Front wiper switch OFF
Below 1 V
Front wiper switch LOW
10 to 14 V
+2 (A32-2) - GND (PA-14)
L-R - W-B
Front wiper motor power supply circuit (HI signal)
Front wiper switch OFF
Below 1 V
Front wiper switch HI
10 to 14 V
S/M (A32-17) - GND (PA-14)
G - W-B
Front wiper motor operation signal
Front wiper is operated
10 to 14 V
Front wiper is stopped
Below 1 V
MPX2 (A32-17) - GND (PA-14)
GR-L - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
2S (W2-11) - GND (PA-14)
W - W-B
Front wiper switch HI signal (to combination switch)
Front wiper switch OFF
10 to 14 V
Front wiper switch HI
Below 1 V
MPX1 (W3-15) - GND (PA-14)
GR - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform

CHECK WINDSHIELD WIPER SWITCH (COMBINATION SWITCH ECU)

E106675E08


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
B (L22-1) - E (L22-5)
GR - W-B
Power source circuit (from battery)
Always
10 to 14 V
IG (L22-2) - E (L22-5)
LG - W-B
IG signal circuit (to IG relay)
Engine switch off
Below 1 V
Engine switch on (IG)
10 to 14 V
2S (L22-3) - E (L22-5)
W - W-B
Wiper switch HI signal
Front wiper switch OFF
Below 1 V
Front wiper switch HI
10 to 14 V
E (L22-5) - Body ground
W-B - Body ground
Ground circuit
Always
Below 1 V
MPX1 (L22-6) - E (L22-5)
O*1 - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
G*2 - W-B
MPX2 (L22-7) - E (L22-5)
G*1 - W-B
Multiplex communication signal circuit
Engine switch on (IG)
Signal waveform
O*2 - W-B

HINT:
  1. *1: LHD
  2. *2: RHD


CHECK HEADLIGHT CLEANER CONTROL RELAY

I030776E01


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
IG (A5-3) - E (A5-4)
G-Y - W-B
Engine switch on (IG) signal (Power source circuit)
Engine switch off
Below 1 V
IG (A5-3) - E (A5-4)
G-Y - W-B
Engine switch on (IG) signal (Power source circuit)
Engine switch on (IG)
10 to 14 V
PB (A5-6) - E (A5-4)
W-G - W-B
Headlight cleaner motor operation signal
Headlight cleaner motor is stopped
Below 1 V
PB (A5-6) - E (A5-4)
W-G - W-B
Headlight cleaner motor operation signal
Headlight cleaner motor is operating
10 to 14 V
HDLO (A5-1) - E (A5-4)
R - W-B
Daytime running light system operation signal
Daytime running light is not operating
Below 1 V
HDLO (A5-1) - E (A5-4)
R - W-B
Daytime running light system operation signal
Daytime running light is operating
10 to 14 V
H (A5-2) - E (A65-4)
LG - W-B
Headlight cleaner switch operation signal
Headlight cleaner switch is OFF
Below 1 V
H (A5-2) - E (A5-4)
LG - W-B
Headlight cleaner switch operation signal
Headlight cleaner switch is ON
10 to 14 V
E (A5-4) - Body ground
W-B - G
Body ground
Always
Below 1 V
FRWA (A5-5) - E (A5-4)
L-O - W-B
Front washer motor operation signal
Front washer switch is OFF
Below 1 V
FRWA (A5-5) - E (A5-4)
L-O - W-B
Front washer motor operation signal
Front washer switch is ON
10 to 14 V