T8 / P1682 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
No starter motor cranking.
Engine does not start.
Engine shut off.
Plausibility Fault between voltage feed from +15 and main relay
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
No starter motor cranking.
Engine does not start.
Engine shut off.
On-board diagnosis
Type of diagnosis:
Enable criteria:
• | When the ignition is switched off. |
Fault criteria:
• | Voltage on pin A2/A19 but not on pin A48/A64. |
• | No voltage on pin A2/A19 but on A48/A64 for more than 6 s after ignition off. |
Dependent:
System reaction to a fault:
OK report:
Fault criterion not fulfilled and vehicle speed over 0 km/h for more than 60 s. |
Fault handling:
(See section Fault handling III, "Other emission-related components and functions" for more information.) |
Diagnostic help
Diagnosis regards:
Finding electrical faults on the power supply from the main relay. |
Functions in the diagnostic tool related to the fault:
(See also description of readings/activations in diagnostic tool) |