Combination Meter Terminal Check
Measure the voltage between terminals using a voltmeter.
NOTE:
The combination meter connector is fixed on the instrument panel directly, so you can not take measurement by backprobing.
CONNECTOR TERMINAL REFERENCE
| TERMINAL NO. | CHECK ITEM | CHECK CONDITION | NORMAL CONDITION |
|---|---|---|---|
| 1 | Battery power supply | Always | Battery positive voltage |
| 3 | Gauge ground | Always | 1 V or less |
| 5 | Ground | Always | 1 V or less |
| 7 | Parking brake switch and brake fluid level switch | - | - |
| 8 | Seat belt switch | - | - |
| 9 | Engine oil pressure switch | - | - |
| 11 | GENERATOR | - | - |
| 12 | Ignition switch (IG1) power supply | Ignition switch: ON | Battery positive voltage |
| 13 | Fuel gauge | - | - |
| 19 | Immobilizer | - | - |
| 21 | Illumination (power supply) | Always | Battery positive voltage |
| 22 | Illumination (ground) | With nighttime lighting control | In accordance with the rheostat switch operation, a pulse is generated. |
CAUTION:
Never take a measurement at terminals 14 and 15. If you do this, the CAN bus lines will be impaired.