SAAB WIS ONLINE

EDC16 / P0650 04

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp does not light when ignition switched ON

  P0650 04


Check Engine Lamp Circuit, Open

Fault symptom

CHECK ENGINE lamp does not light when ignition switched ON

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Output NOT activated.

Fault criteria:

No voltage on the control module output for more than 0.6 s

System reaction to a fault:

None

OK report:

Fault criteria NOT fulfilled for 0.6 s.

Checking the wiring harness

•Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.
•Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:


Functions in the diagnostic tool related to the fault:

Test value:
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Activation:
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
(See also description of readings/activations in diagnostic tool)