Diagnostic Fault Information
WARNING: This page is about a different variant/trim than selected.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Fuel Heater Relay Coil Ignition | 1 | 1 | - | - |
| Fuel Heater Relay Switch B+ | 1 | 1 | - | - |
| Fuel Heater Relay Coil Control | P2688 | P2687 | P2689 | - |
| Fuel Heater Relay Output Control | 1 | 2 | 3 | - |
| 1. The fuse opens and the fuel heater will not operate 2. Fuel Heater Inoperative 3. Fuel Heater Always On |
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