TERMINALS OF ECU
System information
| WINDSHIELD WIPER RELAY ASSEMBLY |
| Symbols (Terminals No.) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
| MPX1(A31-1) - E(A31-12) |
BR - W-B |
Multiplex communication signal |
Ignition switch OFF Ignition switch ON |
Below 1 V Signal Waveform |
| VR1(A31-3) - E(A31-12) |
R - W-B |
Wiper switch (Rain sensor adjust switch signal) |
Ignition switch OFF Ignition switch ON |
Below 1 V 4.5 to 5.5 V |
| FWAS (A31-6) - E (A31-12) |
W - W-B |
Front washer motor (operate signal) |
Front washer switch OFF Front washer switch ON |
10 to 14 V Below 1 V |
| AUTO (A31-7) - E (A31-12) |
V- W-B |
Wiper switch (AUTO signal) |
Front wiper switch is in any position other than AUTO Front wiper switch is AUTO |
10 to 14 V Below 1 V |
| +B (A31-8) - E (A31-12) |
SB - W-B |
Battery (+B circuit) |
Always |
10 to 14 V |
| VR2 (A31-9) - E (A31-12) |
G - W-B |
Wiper switch (Rain sensor adjust switch signal ground) |
Always |
0 to 5.5 V |
| E (A31- 12) - Body ground |
W-B - Body ground |
Body ground |
Always |
Below 1 V |
| +1 (A30-1) - E (A31-12) |
V - W-B |
Front wiper motor (LO operation signal) |
Front wiper motor is OFF Front wiper motor is in LO operation |
Below 1 V 10 to 14 V |
| +2 (A30-2) - E (A31-12) |
P - W-B |
Front wiper motor (HI operation signal) |
Front wiper motor is OFF Front wiper motor is in HI operation |
Below 1 V 10 to 14 V |
| +SM (A30-5) - E (A31-12) |
R - W-B |
Front wiper motor (Operation signal) |
Front wiper motor is OFF Front wiper motor is in LO or HI operation |
Below 1 V 10 to 14 V |
| 2S (A30-6) - E (A31-12) |
GR - W-B |
Wiper switch (HI signal) |
Front wiper switch is in any position other than HI Front wiper switch is HI |
10 to 14 V Below 1 V |
| 1S (A30-7) - E (A31-12) |
SB - W-B |
Wiper switch (LO signal) |
Front wiper switch is in any position other than LO Front wiper switch is LO |
10 to 14 V Below 1 V |
| ES (A30-8) - E (A31-12) |
L - W-B |
wiper switch (Signal source) |
Front wiper switch is OFF or AUTO |
Below 1V |
| WIG (A30-10) - E (A31-12) |
Y - W-B |
Battery (Power source circuit) |
Ignition switch OFF Ignition switch ON |
Below 1V 10 to 14 V |
| HEADLIGHT CLEANER CONTROL RELAY |
*2: RHD
| Symbols (Terminal No.) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
| IG (H1-1) - E (H1-5) |
P - W-B |
Battery (Power source circuit) |
Ignition switch is OFF Ignition switch is ON |
Below 1V 10 to 14 V |
| PB (H1-2) - E (H1-5) |
B - W-B |
Headlight cleaner motor (operation signal) |
Headlight cleaner motor is stopped Headlight cleaner motor is operated |
10 to 14 V Below 1V |
| HDLO (H1-3) - E (H1-5) |
L - W-B |
Multiplex network body ECU (Cancel signal) |
Daytime running light is stopped Daytime running light is operated |
Below 1V 10 to 14 V |
| H (H1-4) - E (H1-5) |
W - W-B (*1) R - W-B (*2) |
Headlight cleaner switch (Operate signal) |
Headlight cleaner switch is OFF Headlight switch is HEAD and headlight cleaner switch is ON |
Below 1V 10 to 14 V |
| E (H1-5) - Body ground |
W-B - Body ground |
Body ground |
Always |
Below 1V |
| FRWA (H1-6) - E (H1-5) |
V - W-B |
Front washer motor (Operate signal) |
Front washer switch is OFF Front washer switch is ON |
10 to 14 V Below 1V |