GMP4 6VD1 F2:TROUBLE CODE
| Trouble Code | Information Sensor Cause of Fault | Data List No. | Trouble Code Storage when... |
|---|---|---|---|
| 42 | BYPASS OR EST LINE FAULT | 24, 25 | · Engine starting |
· The voltage condition measured by the control unit at the output ter. D5 (EST line) does not correspond to the nominal value.
or
The voltage condition measured by the control unit at the output ter. D11 (BYPASS line) does not correspond to the nominal value.
Effects:
The system telltale is switched on
The EST line is turned off.
The spark timing is monitored by the DIS module.
| The DIS system is in emergency mode. |