P0670-GLOW PLUG CONTROL MODULE CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W
- When Monitored:
With the ignition on.
- Set Condition:
The ECM detects an open on the (K202) Glow Plug Module Control circuit for 0.5 second.
| Possible Causes |
| INTERMITTENT DTC |
| (K202) GLOW PLUG MODULE CONTROL CIRCUIT SHORTED TO GROUND |
| (K202) GLOW PLUG MODULE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| GLOW PLUG MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
Diagnostic Test
1.DTC IS ACTIVEIs the status Active for this DTC?
Yes
- Go To 2
No
- Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
2.(K202) GLOW PLUG MODULE CONTROL CIRCUIT SHORTED TO GROUND
Is the resistance below 1000 ohms?
Yes
- Repair the (K202) Glow Plug Module Control circuit for a short to ground.
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
- Go to 3
3.(K202) GLOW PLUG MODULE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
Is the resistance below 10.0 ohms?
Yes
- Replace the Glow Plug Control Module.
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
- Repair the (K202) Glow Plug Module Control circuit for an open circuit or high resistance.
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)