- Ignition switch ON
- Steering pad switch assembly operated, "Set Pressure" selected on the multi-information display and "Enter" switch (steering pad switch assembly) pressed and held
| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM1000000026O6H |
| Model Year Start: 2023 | Model: RAV4 | Prod Date Range: [10/2022 - ] |
| Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: TERMINALS OF ECU; 2023 - 2025 MY RAV4 RAV4 HV [10/2022 - ] | ||
TERMINALS OF ECU
COMBINATION METER ASSEMBLY (for 7 Inch Multi-information Display Type)
(a) Disconnect the G18 combination meter assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
|
Terminal No. |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G18-38 (IG+) - Body ground |
L - Body ground |
IG power supply |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V*1 10.5 to 16 V*2 |
|||
|
G18-22 (B) - Body ground |
B - Body ground |
+B power supply |
Ignition switch off |
11 to 14 V |
|
G18-1 (B) - Body ground |
B - Body ground |
+B power supply |
Ignition switch off |
11 to 14 V |
|
G18-35 (ILL-) - Body ground |
L - Body ground |
Illumination signal |
Light control switch off |
Below 1 V |
|
Light control switch in tail or head position |
11 to 14 V |
|||
|
G18-19 (EP) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
G18-23 (ES) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
- *1: w/o Stop and Start System
- *2: w/ Stop and Start System
(c) Reconnect the G18 combination meter assembly connector.
(d) 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 |
|---|---|---|---|---|
|
G19-24 (INT) - Body ground*1 |
L - Body ground |
Tire pressure warning light signal |
|
Below 1.5 V |
|
8 to 15 V |
|||
|
G18-20 (SI) - Body ground |
W - Body ground |
Speed signal for other system (Input) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
|
G18-36 (+S) - Body ground |
L - Body ground |
Speed signal for other system (Output) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
|
G18-14 (FV) - Body ground |
GR - Body ground |
Fuel sender gauge (Power source) |
Ignition switch ON |
Pulse generation (See waveform 3) |
|
G18-31 (FR) - G18-24 (FE&B) |
LG - BE |
Fuel level signal |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
Pulse generation (See waveform 2) |
|
G18-13 (FR2) - G18-24 (FE&B)*2 |
L - BE |
Fuel level signal |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
Pulse generation (See waveform 2) |
|
G18-24 (FE&B) - Body ground |
BE - Body ground |
Fuel sender gauge (Ground) |
Always |
Below 1 Ω |
|
G19-14 (WLVL) - Body ground |
LG - Body ground |
Washer fluid level signal |
Ignition switch ON, washer fluid level not low |
11 to 14 V |
|
Ignition switch ON, washer fluid level low |
Below 1 V |
|||
|
G19-36 (RLSB) - Body ground*5 |
SB - Body ground |
Rear LH seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (LH) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (LH) on |
Below 1 V |
|||
|
G19-19 (RCSB) - Body ground*5 |
B - Body ground |
Rear center seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (center) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (center) on |
Below 1 V |
|||
|
G19-35 (RRSB) - Body ground*5 |
LG - Body ground |
Rear RH seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (RH) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (RH) on |
Below 1 V |
|||
|
G18-25 (CANL) |
W |
CAN communication line |
- |
- |
|
G18-9 (CANH) |
B |
CAN communication line |
- |
- |
|
G18-10 (MSCL)*4 |
W |
Local bus communication line |
- |
- |
|
G18-27 (MSCH)*4 |
G |
Local bus communication line |
- |
- |
|
G18-15 (MSTI) - Body ground |
R - Body ground |
Steering pad switch signal |
Ignition switch ON, up, down, right and left switches on steering pad switch assembly not pushed |
4.3 to 5.2 V |
|
Ignition switch ON, left switch on steering pad switch pushed |
Below 0.6 V |
|||
|
Ignition switch ON, up switch on steering pad switch pushed |
1.0 to 2.2 V |
|||
|
Ignition switch ON, down switch on steering pad switch pushed |
2.3 to 3.4 V |
|||
|
Ignition switch ON, right switch on steering pad switch pushed |
3.4 to 4.5 V |
|||
|
G18-32 (MSM+) - Body ground |
GR - Body ground |
Steering pad switch signal |
Ignition switch ON, enter and back switches on steering pad switch not pushed |
4.3 to 5.2 V |
|
Ignition switch ON, enter switch on steering pad switch pushed |
Below 0.6 V |
|||
|
Ignition switch ON, back switch on steering pad switch pushed |
1.0 to 2.2 V |
|||
|
G18-34 (SW1) - Body ground |
R - Body ground |
Power source for light control rheostat |
Ignition switch ON |
4.6 to 5.4 V |
|
G18-16 (SW2) - Body ground |
G - Body ground |
Light control rheostat signal |
Light control rheostat fully turned left |
Below 1 Ω |
|
Light control rheostat fully turned right |
8 to 12 kΩ |
|||
|
G18-17 (TC) - Body ground |
B - Body ground |
TAIL cancel switch signal |
TAIL cancel switch on |
Below 1 Ω |
|
TAIL cancel switch off |
1 MΩ or higher |
|||
|
G18-11 (SW3) - Body ground |
B - Body ground |
Light control rheostat ground |
Always |
Below 1 Ω |
|
G19-31 (OILW) - Body ground |
W - Body ground |
Engine oil level signal |
Ignition switch ON, engine oil level not low |
Below 1 V |
|
Ignition switch ON, engine oil level low |
11 to 14 V |
|||
|
G19-17 (HAZ) - Body ground |
L - Body ground |
Hazard warning signal switch signal (Output) |
Hazard warning signal switch off |
11 to 14 V |
|
Hazard warning signal switch on |
Below 1 V |
|||
|
G19-16 (SW) - Body ground*2 |
G - Body ground |
Brake fluid level signal |
Ignition switch ON, brake fluid level full |
Below 1 V |
|
Ignition switch ON, brake fluid level low (brake fluid level warning light on) |
11 to 14 V |
|||
|
G19-32 (VCM) - Body ground*2 |
BE - Body ground |
Vacuum warning switch signal |
Vacuum warning switch off |
11 to 14 V |
|
Vacuum warning switch on |
Below 1 V |
|||
|
G19-26 (SFT1) - Body ground |
G - Body ground |
Drive mode switch signal (SPORT mode) |
Drive mode switch (SPORT mode) off |
11 to 14 V |
|
Drive mode switch (SPORT mode) on |
Below 1 V |
|||
|
G19-10 (SFT2) - Body ground |
R - Body ground*2 L - Body ground*3 |
Drive mode switch signal (NORMAL mode) |
Drive mode switch (NORMAL mode) off |
11 to 14 V |
|
Drive mode switch (NORMAL mode) on |
Below 1 V |
|||
|
G19-27 (SFT3) - Body ground |
BE - Body ground*2 V - Body ground*3 |
Drive mode switch signal (ECO mode) |
Drive mode switch (ECO mode) off |
11 to 14 V |
|
Drive mode switch (ECO mode) on |
Below 1 V |
|||
|
G19-6 (TRNR) - Body ground |
B - Body ground |
Rear/side turn signal light RH signal |
Ignition switch ON, RH turn indicator light off |
Below 1 V |
|
Ignition switch ON, RH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G19-5 (TRNL) - Body ground |
BE - Body ground |
Rear/side turn signal light LH signal |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
|
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G19-2 (LR) - Body ground |
G - Body ground |
Front turn signal light RH signal |
Ignition switch ON, RH turn indicator light off |
Below 1 V |
|
Ignition switch ON, RH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G19-1 (LL) - Body ground |
L - Body ground |
Front turn signal light LH signal |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
|
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G19-33 (LST1) - Body ground*3 |
L - Body ground |
Fuel lid status signal |
"Close Fuel Lid" displayed on multi-information display |
Pulse generation (See waveform 4) |
|
"Ready to Refuel" displayed on multiinformation display |
Pulse generation (See waveform 5) |
|||
|
"Please Wait Fuel Door Opening" displayed on multi-information display |
Pulse generation (See waveform 6) |
- *1: w/ Tire Pressure Warning System
- *2: for Gasoline Model
- *3: for HV Model
- *4: w/ Audio and Visual System
- *5: w/ Rear Seat Belt Warning Light
(1) Waveform 1 (Reference):
|
Item |
Condition |
|---|---|
|
Tester connection |
|
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON, wheel being rotated |
HINT:
When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.
(2) Waveform 2:
|
Item |
Condition |
|---|---|
| *: for Gasoline Model | |
|
Tester connection |
|
|
Tool setting |
2.5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
HINT:
(A) will differ depending on the fuel level.
- Fuel level full: 4.2 to 4.6 V
- Fuel level low (fuel level warning light on): 0.3 to 0.7 V
(3) Waveform 3:
|
Item |
Condition |
|---|---|
|
Tester connection |
G18-14 (FV) - Body ground |
|
Tool setting |
2.5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON |
HINT:
Ignition switch ON (4.5 to 5.5 V)
(4) Waveform 4:
|
Item |
Condition |
|---|---|
|
Tester connection |
G19-33 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Close Fuel Lid" displayed on multi-information display |
HINT:
This waveform is output when the fuel lid opener switch is operated if the fuel lid is open and any of the following conditions are met:
- The vehicle has been driven for 1 km (0.6 mile) or more at a speed of 50 km/h (31 mph) or more.
- 30 minutes or more have elapsed since the fuel lid opener switch was operated.
(5) Waveform 5:
|
Item |
Condition |
|---|---|
|
Tester connection |
G19-33 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Ready to Refuel" displayed on multi-information display |
(6) Waveform 6:
|
Item |
Condition |
|---|---|
|
Tester connection |
G19-33 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Please Wait Fuel Door Opening" displayed on multi-information display |
HINT:
This waveform is output when the internal pressure of the fuel tank is higher than the ambient pressure when the fuel lid opener switch is operated.
COMBINATION METER ASSEMBLY (for 12.3 Inch Multi-information Display Type)
(a) Disconnect the G140 and G141 combination meter assembly connectors.
(b) Measure the voltage and resistance according to the value(s) in the table below.
|
Terminal No. |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G140-2 (B) - Body ground |
B - Body ground |
+B power supply |
Ignition switch off |
11 to 14 V |
|
G141-1 (EP) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
G141-2 (ES) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
G141-5 (B) - Body ground |
B - Body ground |
+B power supply |
Ignition switch off |
11 to 14 V |
|
G141-6 (IG+) - Body ground |
L - Body ground |
IG power supply |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
G141-7 (ILL-) - Body ground |
R - Body ground |
Illumination signal |
Light control switch off |
Below 1 V |
|
Light control switch in tail or head position |
11 to 14 V |
(c) Reconnect the G140 and G141 combination meter assembly connectors.
(d) 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 |
|---|---|---|---|---|
|
G140-5 (LL) - Body ground |
L - Body ground |
Front/side turn signal light LH signal |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
|
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G140-6 (LR) - Body ground |
G - Body ground |
Front/side turn signal light RH signal |
Ignition switch ON, RH turn indicator light off |
Below 1 V |
|
Ignition switch ON, RH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G140-7 (FR) - G140-25 (FE&B) |
LG - BE |
Fuel level signal |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
Pulse generation (See waveform 2) |
|
G140-10 (TC) - Body ground |
B - Body ground |
TAIL cancel switch signal |
TAIL cancel switch on |
Below 1 Ω |
|
TAIL cancel switch off |
Below 1 Ω |
|||
|
G140-11 (SW1) - Body ground |
R - Body ground |
Power source for light control rheostat |
Ignition switch ON |
4.6 to 5.4 V |
|
G140-12 (MSTI) - Body ground |
R - Body ground |
Steering pad switch signal |
Ignition switch ON, up, down, right and left switches on steering pad switch assembly not pushed |
4.3 to 5.2 V |
|
Ignition switch ON, left switch on steering pad switch pushed |
Below 0.6 V |
|||
|
Ignition switch ON, up switch on steering pad switch pushed |
1.0 to 2.2 V |
|||
|
Ignition switch ON, down switch on steering pad switch pushed |
2.3 to 3.4 V |
|||
|
Ignition switch ON, right switch on steering pad switch pushed |
3.4 to 4.5 V |
|||
|
G140-13 (ODO) - Body ground |
L - Body ground |
TRIP switch signal |
Ignition switch ON, trip switch not pushed |
4 to 6 V |
|
Ignition switch ON, trip switch pushed |
Below 1 V |
|||
|
G140-14 (CANL) |
W |
CAN communication line |
- |
- |
|
G140-15 (MSCL) |
W |
Local bus communication line |
- |
- |
|
G140-21 (TRNR) - Body ground |
B - Body ground |
Rear turn signal light RH signal |
Ignition switch ON, RH turn indicator light off |
Below 1 V |
|
Ignition switch ON, RH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G140-22 (TRNL) - Body ground |
BE - Body ground |
Rear turn signal light LH signal |
Ignition switch ON, LH turn indicator light off |
Below 1 V |
|
Ignition switch ON, LH turn indicator light blinking |
11 to 14 V ←→ Below 1 V |
|||
|
G140-23 (FV) - Body ground |
GR - Body ground |
Fuel sender gauge (Power source) |
Ignition switch ON |
Pulse generation (See waveform 3) |
|
G140-24 (FR2) - G140-25 (FE&B)*2 |
L - BE |
Fuel level signal |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
Pulse generation (See waveform 2) |
|
G140-25 (FE&B) - Body ground |
BE - Body ground |
Fuel sender gauge (Ground) |
Always |
Below 1 Ω |
|
G140-26 (SW3) - Body ground |
B - Body ground |
Ground for trip switch |
Always |
Below 1 Ω |
|
G140-28 (SW2) - Body ground |
G - Body ground |
Light control rheostat signal |
Light control rheostat fully turned left |
Below 1 Ω |
|
Light control rheostat fully turned right |
8 to 12 kΩ |
|||
|
G140-29 (MSM+) - Body ground |
GR - Body ground |
Steering pad switch signal |
Ignition switch ON, enter and back switches on steering pad switch not pushed |
4.3 to 5.2 V |
|
Ignition switch ON, enter switch on steering pad switch pushed |
Below 0.6 V |
|||
|
Ignition switch ON, back switch on steering pad switch pushed |
1.0 to 2.2 V |
|||
|
G140-31 (CANH) |
B |
CAN communication line |
- |
- |
|
G140-32 (MSCH) |
G |
Local bus communication line |
- |
- |
|
G141-8 (+S) - Body ground |
L - Body ground |
Speed signal for other system (Output) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
|
G141-11 (SW) - Body ground*2 |
G - Body ground |
Brake fluid level signal |
Ignition switch ON, brake fluid level full |
Below 1 V |
|
Ignition switch ON, brake fluid level low (brake fluid level warning light on) |
11 to 14 V |
|||
|
G141-12 (HAZ) - Body ground |
L - Body ground |
Hazard warning signal switch signal (Output) |
Hazard warning signal switch off |
11 to 14 V |
|
Hazard warning signal switch on |
Below 1 V |
|||
|
G141-13 (WLVL) - Body ground |
LG - Body ground |
Washer fluid level signal |
Ignition switch ON, washer fluid level not low |
11 to 14 V |
|
Ignition switch ON, washer fluid level low |
Below 1 V |
|||
|
G141-14 (OILW) - Body ground |
W - Body ground |
Engine oil level signal |
Ignition switch ON, engine oil level not low |
Below 1 V |
|
Ignition switch ON, engine oil level low |
11 to 14 V |
|||
|
G141-18 (SFT1) - Body ground |
G - Body ground |
Drive mode switch signal (SPORT mode) |
Drive mode switch (SPORT mode) off |
11 to 14 V |
|
Drive mode switch (SPORT mode) on |
Below 1 V |
|||
|
G141-19 (SFT3) - Body ground |
BE - Body ground*2 V - Body ground*3 |
Drive mode switch signal (ECO mode) |
Drive mode switch (ECO mode) off |
11 to 14 V |
|
Drive mode switch (ECO mode) on |
Below 1 V |
|||
|
G141-21 (RLSB) - Body ground*4 |
SB - Body ground |
Rear LH seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (LH) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (LH) on |
Below 1 V |
|||
|
G141-22 (RCSB) - Body ground*4 |
B - Body ground |
Rear center seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (center) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (center) on |
Below 1 V |
|||
|
G141-25 (SI) - Body ground |
W - Body ground |
Speed signal for other system (Input) |
Ignition switch ON, wheel being rotated |
Pulse generation (See waveform 1) |
|
G141-27 (VCM) - Body ground*2 |
BE - Body ground |
Vacuum warning switch signal |
Vacuum warning switch off |
11 to 14 V |
|
Vacuum warning switch on |
Below 1 V |
|||
|
G141-28 (LST1) - Body ground*3 |
L - Body ground |
Fuel lid status signal |
"Close Fuel Lid" displayed on multi-information display |
Pulse generation (See waveform 4) |
|
"Ready to Refuel" displayed on multiinformation display |
Pulse generation (See waveform 5) |
|||
|
"Please Wait Fuel Door Opening" displayed on multi-information display |
Pulse generation (See waveform 6) |
|||
|
G141-30 (RRSB) - Body ground*4 |
LG - Body ground |
Rear RH seat belt warning light output signal |
Ignition switch ON, rear seat belt warning light (RH) off |
11 to 14 V |
|
Ignition switch ON, rear seat belt warning light (RH) on |
Below 1 V |
|||
|
G141-34 (INT) - Body ground*1 |
L - Body ground |
Tire pressure warning light signal |
|
Below 1.5 V |
|
8 to 15 V |
|||
|
G141-35 (SFT2) - Body ground |
R - Body ground*2 L - Body ground*3 |
Drive mode switch signal (NORMAL mode) |
Drive mode switch (NORMAL mode) off |
11 to 14 V |
|
Drive mode switch (NORMAL mode) on |
Below 1 V |
- *1: w/ Tire Pressure Warning System
- *2: for Gasoline Model
- *3: for HV Model
- *4: w/ Rear Seat Belt Warning Light
(1) Waveform 1 (Reference):
|
Item |
Condition |
|---|---|
|
Tester connection |
|
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON, wheel being rotated |
HINT:
When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.
(2) Waveform 2:
|
Item |
Condition |
|---|---|
| *: for Gasoline Model | |
|
Tester connection |
|
|
Tool setting |
2.5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON, fuel level full → low (fuel level warning light on) |
HINT:
(A) will differ depending on the fuel level.
- Fuel level full: 4.2 to 4.6 V
- Fuel level low (fuel level warning light on): 0.3 to 0.7 V
(3) Waveform 3:
|
Item |
Condition |
|---|---|
|
Tester connection |
G140-23 (FV) - Body ground |
|
Tool setting |
2.5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
Ignition switch ON |
HINT:
Ignition switch ON (4.5 to 5.5 V)
(4) Waveform 4:
|
Item |
Condition |
|---|---|
|
Tester connection |
G141-28 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Close Fuel Lid" displayed on multi-information display |
HINT:
This waveform is output when the fuel lid opener switch is operated if the fuel lid is open and any of the following conditions are met:
- The vehicle has been driven for 1 km (0.6 mile) or more at a speed of 50 km/h (31 mph) or more.
- 30 minutes or more have elapsed since the fuel lid opener switch was operated.
(5) Waveform 5:
|
Item |
Condition |
|---|---|
|
Tester connection |
G141-28 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Ready to Refuel" displayed on multi-information display |
(6) Waveform 6:
|
Item |
Condition |
|---|---|
|
Tester connection |
G141-28 (LST1) - Body ground |
|
Tool setting |
5 V/DIV., 20 ms./DIV. |
|
Vehicle condition |
"Please Wait Fuel Door Opening" displayed on multi-information display |
HINT:
This waveform is output when the internal pressure of the fuel tank is higher than the ambient pressure when the fuel lid opener switch is operated.
|
|