Combination Meter Circuit
Connect the connector A, B, C and D to the combination meter and inspect the wiring harness side from the back side. See CONNECTOR IDENTIFICATION . See INSPECTING COMBINATION METER CIRCUIT table. If the circuit is not as specified, inspect the wiring diagram, see WIRING DIAGRAMS , and the circuits connected to other parts.
INSPECTING COMBINATION METER CIRCUIT
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A1 - Ground | Key Unlock Warning Switch ON (Key Is Inserted) | No Voltage |
| A1 - Ground | Key Unlock Warning Switch OFF (Key Is Removed) | B+ Voltage |
| A2 - Ground | Ignition Switch ON | 4.5-5.5 Volts |
| A3 - Ground | Ignition Switch ON & Fuel Sender Gauge Float UP | Approx. 0.5 Volt |
| A3 - Ground | Ignition Switch ON & Fuel Sender Gauge Float DOWN | Approx. 5.5 Volts |
| A4 - Ground | Constant | Continuity |
| A9 - Ground | Ignition Switch ON & ABS Warning Light Lights Up | No Voltage |
| A9 - Ground | Ignition Switch ON & ABS Warning Light Does Not Light Up | B+ Voltage |
| A10 - Ground | Ignition Switch ON & Light Control Rheostat Volume Minimum | No Voltage |
| A10 - Ground | Ignition Switch ON & Light Control Rheostat Volume Maximum | 4.5-5.5 Volts |
| A11 - Ground | Light Control Switch OFF | No Voltage |
| A11 - Ground | Light Control Switch TAIL Or HEAD | B+ Voltage |
| A12 - Ground | Ignition Switch ON & Driver Door Is Opened | No Voltage |
| A12 - Ground | Ignition Switch ON & Driver Door Is Closed | B+ Voltage |
| A15 - Ground | Ignition Switch ON & Seat Belt Is Unfastened | No Voltage |
| A15 - Ground | Ignition Switch ON & Seat Belt Is Fastened | B+ Voltage |
| A16 - Ground | Ignition Switch OFF | No Voltage |
| A16 - Ground | Ignition Switch ON | B+ Voltage |
| A17 - Ground | Constant | B+ Voltage |
| A18 - Ground | Ignition Switch ON & ABS Is Error | No Voltage |
| A18 - Ground | Ignition Switch ON & ABS Is Normal | B+ Voltage |
| B2 - Ground | Ignition Switch ON & Engine Is Stopped | No Voltage |
| B2 - Ground | Ignition Switch ON & Engine Is Running | B+ Voltage |
| B4 - Ground | Ignition Switch OFF | No Voltage |
| B4 - Ground | Ignition Switch ACC Or ON | B+ Voltage |
| B5 - Ground | Ignition Switch ON & A/T Shift P Indicator Light Up | No Voltage |
| B5 - Ground | Ignition Switch ON & A/T Shift P Indicator Does Not Light Up | B+ Voltage |
| B6 - Ground | Ignition Switch ON & Except A/T Shift P Position | No Voltage |
| B6 - Ground | Ignition Switch ON & A/T Shift P Position | B+ Voltage |
| B7 - Ground | Ignition Switch ON & Except A/T Shift R Position | No Voltage |
| B7 - Ground | Ignition Switch ON & A/T Shift R Position | B+ Voltage |
| B8 - Ground | Ignition Switch ON & A/T Oil Temperature Indicator Lights Up | No Voltage |
| B8 - Ground | Ignition Switch ON & A/T Oil Temperature Indicator Does Not Light Up | B+ Voltage |
| B9 - Ground | Ignition Switch ON & Slowly Move The Wheel | Pulse Signal Is Output Below 1.5 Volt To Approx. 5 Volts Or Below 1.5 Volts To B+ Voltage |
| B10 - Ground | Ignition Switch ON & Slowly Move The Wheel | Pulse Signal Is Output Below 1.5 Volts To B+ Voltage |
| B11 - Ground | Constant | Continuity |
| B12 - Ground | Ignition Switch ON & Rheostat Light Control Volume CANCEL Position | No Voltage |
| B12 - Ground | Ignition Switch ON & Rheostat Light Control Volume Maximum | B+ Voltage |
| B13 - Ground | Ignition Switch ON & Engine Is Stopping | No Voltage |
| B13 - Ground | Ignition Switch ON & Engine Is Running | B+ Voltage |
| B14 - Ground | Ignition Switch OFF | No Voltage |
| B14 - Ground | Ignition Switch ON | B+ Voltage |
| B15 - Ground | Ignition Switch ON & Engine Coolant Temperature 194°F (90°C) | B+ Voltage |
| B16 - Ground | Constant | Continuity |
| C3 - Ground | Constant | B+ Voltage |
| C4 - Ground | Ignition Switch ON & ABS Indicator Light Lights Up | No Voltage |
| C4 - Ground | Ignition Switch ON & ABS Indicator Does Not Light Up | B+ Voltage |
| C5 - Ground | Ignition Switch ON & Except A/T Shift N Position | No Voltage |
| C5 - Ground | Ignition Switch ON & A/T Shift N Position | B+ Voltage |
| C6 - Ground | Ignition Switch ON & Except A/T Shift D Position | No Voltage |
| C6 - Ground | Ignition Switch ON & A/T Shift D Position | B+ Voltage |
| C7 - Ground | Ignition Switch ON & Except A/T Shift 2nd Position | No Voltage |
| C7 - Ground | Ignition Switch ON & A/T Shift 2nd Position | B+ Voltage |
| C8 - Ground | Ignition Switch ON & Except A/T Shift L Position | No Voltage |
| C8 - Ground | Ignition Switch ON & A/T Shift L Position | B+ Voltage |
| C10 - Ground | Ignition Switch ON & O/D Off Switch ON | No Voltage |
| C10 - Ground | Ignition Switch ON & O/D Off Switch OFF | B+ Voltage |
| C12 - Ground | Ignition Switch ON & Engine Oil Level Warning Lights Up | No Voltage |
| C12 - Ground | Ignition Switch ON & Engine Oil Level Warning Does Not Light Up | B+ Voltage |
| C14 - Ground | Ignition Switch ON & Cruise Control Switch OFF | No Voltage |
| C14 - Ground | Ignition Switch ON & Cruise Control Switch ON | B+ Voltage |
| C15 - Ground | Ignition Switch ON & Center Differential Lock Switch OFF | No Voltage |
| C15 - Ground | Ignition Switch ON & Center Differential Lock Switch ON | B+ Voltage |
| C17 - Ground | IG Switch ON, Off Road TRC Indicator Light ON | Below 1.5 Volts |
| C17 - Ground | IG Switch ON, Off Road TRC Indicator Light OFF | 10-14 Volts |
| C18 - Ground | IG Switch ON, VSC Warning Light ON | Below 2 Volts |
| C18 - Ground | IG Switch ON, VSC Warning Light OFF | 10-14 Volts |
| C19 - Ground | IG Switch ON, VSC Warning Light ON | Below 2 Volts |
| C19 - Ground | IG Switch ON, VSC Warning Light OFF | 10-14 Volts |
| C20 - Ground | IG Switch ON, VSC OFF Indicator Light ON | Below 2 Volts |
| C20 - Ground | IG Switch ON, VSC OFF Indicator Light OFF | 10-14 Volts |
| D1 - Ground | Ignition Switch ON & Engine Is Stopped | No Voltage |
| D1 - Ground | Ignition Switch ON & Engine Is Running | B+ Voltage |
| D3 - Ground | Ignition Switch ON & HPS Indicator Light Up | No Voltage |
| D3 - Ground | Ignition Switch ON & HPS Indicator Light Does Not Light Up | B+ Voltage |
| D4 - Ground | Ignition Switch ON & HPS Switch N | No Voltage |
| D4 - Ground | Ignition Switch ON & HPS Switch HI Or LO | B+ Voltage |
| D5 - Ground | Ignition Switch ON & HPS Switch LO | No Voltage |
| D5 - Ground | Ignition Switch ON & HPS Switch N | B+ Voltage |
| D6 - Ground | Ignition Switch ON & HPS System Is Operating | No Voltage |
| D6 - Ground | Ignition Switch ON & HPS System Is OFF | B+ Voltage |
| D7 - Ground | Ignition Switch ON & Brake Fluid Level Warning Switch Float DOWN | No Voltage |
| D7 - Ground | Ignition Switch ON & Brake Fluid Level Warning Switch Float UP | B+ Voltage |
| D8 - Ground | Ignition Switch ON & Parking Brake Lever Is Pulled | No Voltage |
| D8 - Ground | Ignition Switch ON & Parking Brake Lever Is Released | B+ Voltage |
| D9 - Ground | Ignition Switch ON, Parking Brake Lever Is Released & Brake Fluid Level Warning Switch Float DOWN | No Voltage |
| D9 - Ground | Ignition Switch ON, Parking Brake Lever Is Released & Brake Fluid Level Warning Switch Float UP | B+ Voltage |
| D10 - Ground | Ignition Switch ON & Pattern Select Switch NORM | No Voltage |
| D10 - Ground | Ignition Switch ON & Pattern Select Switch PWR | B+ Voltage |
| D11 - Ground | Either Door Is Opened | No Voltage |
| D11 - Ground | Either Door Is Closed | B+ Voltage |
| D12 - Ground | Constant | Continuity |
| D13 - Ground | Ignition Switch ON & Turn Signal Switch OFF Or RIGHT | B+ Voltage |
| D13 - Ground | Ignition Switch ON & Turn Signal Switch LEFT | B+ Voltage |
| D14 - Ground | Light Control Switch OFF | No Voltage |
| D14 - Ground | Light Control Switch HI | B+ Voltage |
| D15 - Ground | Ignition Switch ON & Turn Signal Switch OFF Or LEFT | No Voltage |
| D15 - Ground | Ignition Switch ON & Turn Signal Switch RIGHT | B+ Voltage |
| D16 - Ground | Headlight Switch ON | B+ Voltage |
| D17 - Ground | Ignition Switch ON & Window Washer Level Warning Switch Float UP | No Voltage |
| D18 - Ground | IG Switch ON, BRAKE Warning Light ON | Below 2 Volts |
| D18 - Ground | IG Switch ON, BRAKE Warning Light OFF | 10-14 Volts |