SAAB WIS ONLINE

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.

  P1682 00


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:

Continuous

Enable criteria:

Test 1
Ignition ON.

Test 2
When the ignition is switched off.

Fault criteria:


Test 1
Voltage on pin A2/A19 but not on pin A48/A64.

Test 2
No voltage on pin A2/A19 but on A48/A64 for more than 6 s after ignition off.

Dependent:


None

System reaction to a fault:

None

OK report:

Fault criterion not fulfilled and vehicle speed over 0 km/h for more than 60 s.

Fault handling:

Type III
(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:

Test value:
Ignition switch +15
Ignition Key Position
Battery Voltage:

(See also description of readings/activations in diagnostic tool)