DTC Descriptors: Notes
- DTC P0685
-
Engine Controls Ignition Relay Control Circuit
- DTC P0689
-
Engine Controls Relay Feedback Circuit Low Voltage
- DTC P0690
-
Engine Controls Relay Feedback Circuit High Voltage
IMPORTANT:
Always perform the Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
Diagnostic Fault Table
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Relay Coil B+ | P0685 | P0685 | - | - |
| Relay Switch B+ | P0689 | P0689 | - | - |
| Relay Coil Control | P0685 | P0685 | P0685 | - |
| Relay Ignition Output Ignition 1 Voltage | P0689 | P0689 | P0690 | - |