Chart 14
- Instrumentation: Tachometer Inoperative, Speedometer/Odometer Inoperative, Boost Gauge indicates higher than normal boost (supercharger applications), Fuel Gauge Inoperative
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TEST - GASOLINE MODELS unless noted) |
|---|---|
| Tachometer inoperative: Applications with CTO circuit from the PCM |
GO to PINPOINT TEST JH . |
| Speedometer/odometer inoperative: | Applications with manual shift-on-the-fly (MSOF) transfer case using a transfer case speed sensor (TCSS): GO to P: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP DP16. |
| Applications with manual transmissions using a vehicle speed sensor (VSS): GO to PINPOINT TEST DP . |
|
| Applications with manual transmissions using an output shaft speed (OSS) sensor: GO to PINPOINT TEST TJ . |
|
| Boost gauge indicates higher than normal boost: Supercharger bypass control Intercooler system |
Supercharger bypass control: GO to PINPOINT TEST KJ . |
| Intercooler system: GO to P: Charge Air Cooler (CAC) Pump STEP KP8. |
|
| Fuel gauge inoperative: Fuel gauge always indicates full or empty. |
For vehicles with hardwired fuel level indicator (FLI) circuit input to PCM (Crown Victoria/Grand Marquis, Explorer Sport Trac, Ranger): GO to X: Evaporative Emission (EVAP) Monitor and System STEP HX37. |
| All others: REFER to INSTRUMENT CLUSTER . |
|
| Instrumentation | REFER to INSTRUMENT CLUSTER . |