Checking wire connections
- Connect V.A.G 1598/31 test box to harness connectors of wiring harness (do not connect ECM). Clamp test box Ground (GND) clip to Ground (GND) (arrow):
Refer to
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): AMU
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): ATC
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): AWP
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): BEA
WARNING:
To avoid damaging electronic components, set measuring range before connecting test leads and observe all test requirements.
- Check the following wire connection for open circuit and short circuit to Ground (GND) and B+:
| Harness connector Terminal |
V.A.G 1598/31 test box Socket |
| 1 | 61 |
| 2 | 50 |
- Repair open circuit in wiring or short circuit if necessary.
If no malfunctions are detected:
- Replace exhaust gas temperature sensor.