ME9 / P0523 00

Read the instructions below then start the fault diagnostic procedure.

P0523 00

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Battery voltage must be between 10 - 18 V.

Engine running.

Oil temperature > 80°C.

Fault criteria:

When input voltage exceeds 4.8 V for more than 10 seconds and the engine is running.

Checking the wiring harness

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:

Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:

•	Oil pressure sensor

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