Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Meter. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Meter / Gauge System -- Terminals Of Ecu |
CHECK COMBINATION METER ASSEMBLY (METER ECU) |

Disconnect the E22 meter connector.
Measure the voltage and resistance of the wire harness side connector.
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition TX1+ (E22-11) - Body ground G - Body ground Ground (ambient temperature sensor ground) Always 10 kΩ or higher E (E22-12) - Body ground BR - Body ground Ground (fuel gauge ground) Always 10 kΩ or higher IG+ (E22-21) - Body ground B - Body ground Ignition power supply Ignition switch off Below 1 V IG+ (E22-21) - Body ground B - Body ground Ignition power supply Ignition switch on (IG) 11 to 14 V B (E22-22) - Body ground R - Body ground Battery power supply Always 11 to 14 V ET (E22-33) - Body ground BR - Body ground Ground (meter ground) Always Below 1 Ω SW3 (E22-34) - Body ground P - Body ground Ground (rheostat ground) Always 10 kΩ or higher ILL- (E22-35) - Body ground BR - Body ground Ground Always Below 1 Ω - If the result is not as specified, there may be a malfunction on the wire harness side.
- If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the E22 meter connector.
Measure the voltage of the connector.
If the result is not as specified, the combination meter may be malfunctioning.Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition B (E22-1) - Body ground L - Body ground Turn signal R Ignition switch on (IG), turn signal RH indicator light OFF Below 1 V B (E22-1) - Body ground L - Body ground Turn signal R Ignition switch on (IG), turn signal RH indicator light ON 11 to 14 V ILL+ (E22-2) - Body ground G - Body ground Illumination signal Taillight OFF Below 1 V ILL+ (E22-2) - Body ground G - Body ground Illumination signal Taillight ON 11 to 14 V B (E22-3) - Body ground Y - Body ground Turn signal L Ignition switch on (IG), turn signal LH indicator light OFF Below 1 V B (E22-3) - Body ground Y - Body ground Turn signal L Ignition switch on (IG), turn signal LH indicator light ON 11 to 14 V S (E22-6) - Body ground L - Body ground Low engine oil pressure warning signal Low engine oil pressure warning light ON Below 1 V S (E22-6) - Body ground L - Body ground Low engine oil pressure warning signal Low engine oil pressure warning light OFF 11 to 14 V EFI (E22-8) - Body ground R - Body ground MIL MIL ON Below 4.2 V EFI (E22-8) - Body ground R - Body ground MIL MIL OFF 11 to 14 V CHG- (E22-13) - Body ground L - Body ground MIL MIL ON Below 1.5 V CHG- (E22-13) - Body ground L - Body ground MIL MIL OFF 11 to 14 V SW (E22-14) - Body ground Y - Body ground Brake fluid level signal Brake fluid level warning light ON Below 1 V SW (E22-14) - Body ground Y - Body ground Brake fluid level signal Brake fluid level warning light OFF 11 to 14 V MSSL (E22-18) - Body ground P - Body ground Steering pad switch signal Ignition switch on (IG), steering pad switch signal DISP off Below 1 V → 4 to 6 V L (E22-24) - Body ground Y - Body ground Fuel level signal Ignition switch on (IG), fuel level is FULL Below 1 V L (E22-24) - Body ground Y - Body ground Fuel level signal Ignition switch on (IG), fuel level is EMPTY 4 to 7 V SW1 (E22-26) - Body ground V - Body ground Light control rheostat signal Ignition switch on (IG) 4 to 6 V SW2 (E22-27) - Body ground GR - Body ground Light control rheostat signal Ignition switch on (IG), rheostat knob position MIN → MAX Below 1 V → 4 to 6 V TEMP (E22-28) - Body ground W - Body ground Ambient temperature sensor signal Ignition switch on (IG) 1 to 2 V (25°C (77°F)) PBLT (E22-29) - Body ground L - Body ground Front passenger side seat belt condition input signal Seat belt indicator OFF Below 1 V PBLT (E22-29) - Body ground L - Body ground Front passenger side seat belt condition input signal Seat belt indicator blinking 11 to 14 V TC (E22-30) - Body ground G - Body ground Tail cancel switch signal Ignition switch on (IG), tail cancel switch OFF 4 to 6 V TC (E22-30) - Body ground G - Body ground Tail cancel switch signal Ignition switch on (IG), tail cancel switch ON Below 1 V CANL (E22-31) - Body ground W - Body ground CAN communication line Ignition switch on (IG) Pulse generation CANH (E22-32) - Body ground G - Body ground CAN communication line Ignition switch on (IG) Pulse generation SI (E22-38) - Body ground V - Body ground Speed signal (input) Ignition switch on (IG), wheel turned slowly Pulse generation +S (E22-39) - Body ground V - Body ground Speed signal (output) (4P-OUT) Ignition switch on (IG), wheel turned slowly Pulse generation PBLT (E22-40) - Body ground LG - Body ground Front passenger side seat belt condition output signal Seat belt indicator OFF 11 to 14 V PBLT (E22-40) - Body ground LG - Body ground Front passenger side seat belt condition output signal Seat belt indicator blinking Below 1 V → 11 to 14 V
Terminal No. | Wire Harness Side | |
E22 | 1 | Turn Signal Flasher |
2 | Headlight Dimmer Switch (Light Control Switch) | |
3 | Turn Signal Flasher | |
4 | - | |
5 | - | |
6 | Low Oil Pressure Warning Switch | |
7 | - | |
8 | ECM | |
9 | - | |
10 | - | |
11 | Ambient Temperature Sensor (GND) | |
12 | Fuel Sender Gauge (GND) | |
13 | Generator Assembly | |
14 | Brake Fluid Level Warning Switch | |
15 | - | |
16 | - | |
17 | - | |
18 | Steering Pad Switch*1 | |
19 | - | |
20 | - | |
21 | Ignition Switch | |
22 | Battery | |
23 | - | |
24 | Fuel Sender Gauge | |
25 | - | |
26 | Rheostat (Output) | |
27 | Rheostat (Input) | |
28 | Ambient Temperature Sensor | |
29 | Seat Belt Warning Light for Passenger's Seat | |
30 | Tail Cancel | |
31 | CAN-Lo | |
32 | CAN-Hi | |
33 | GND | |
34 | Rheostat | |
35 | Other Devices (GND) | |
36 | - | |
37 | - | |
38 | ABS and Traction Actuator*2 (Skid Control ECU), Brake Actuator*3 (Skid Control ECU) (SP) | |
39 | Other Devices (4P-OUT) | |
40 | Seat Belt Warning Light for Passenger's Seat |
*2: w/ VSC
*3: w/o VSC