Checking wires to Engine Control Module (ECM)
WARNING: This page is about a different variant/trim than selected.
- Connect test box to control module wiring harness. Refer to Test box, connecting for wiring test
- Check wires between test box and 3-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Wire resistance: max. 1.5 Ω
| Component | Connector | Test box |
| Knock Sensor (KS) 1 -G61- | Terminal 1 | Socket 106 |
| Terminal 2 | Socket 99 | |
| Terminal 3 | Socket 108 |
| Component | Connector | Test box |
| Knock Sensor (KS) 2 -G66- | Terminal 1 | Socket 107 |
| Terminal 2 | Socket 99 | |
| Terminal 3 | Socket 108 |
- Also check wires for short circuit to each other.
Specified value: ∞ Ω
If no malfunctions are found in wires:
- Replace the respective knock sensor:
- Knock Sensor (KS) 1 -G61-. Refer to Parts of the ignition (vehicles with engine code AFP), removing and installing , item 15
- Knock Sensor (KS) 2 -G66-. Refer to Parts of the ignition (vehicles with engine code AFP), removing and installing , item 11
- Erase DTC memory of Engine Control Module (ECM). Refer to Diagnostic mode 4: Reset/erase diagnostic data
- Generate readiness code. Refer to Readiness code, generating