SAAB WIS ONLINE

B1600 (04)

Read the instructions below then start the fault diagnostic procedure.

Symptom: D.T.E. malfunction. Fuel consumption calculation malfunction. Average speed calculation malfunction. Steering wheel radio controls out of order.

B1600 (04)


SID was Missing on bus

Fault symptom

D.T.E. malfunction.

Fuel consumption calculation malfunction.

Average speed calculation malfunction.

Steering wheel radio controls out of order.

Type of diagnosis

Continuous.

Preconditions

Ignition ON.

Fault criteria

No bus communication.

Diagnostic help

When DTCs are read from SID, communication is functioning. The DTC is an indication of an intermittent bus fault.

Checking the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.