B1605

Symptom: ABS (ANTI LOCK) warning lamp on, no ABS function.

B1605

Fault symptom

ABS (ANTI LOCK) warning lamp on, no ABS function.

Condition

The trouble code is generated in the event of an internal program fault.

Diagnostic procedure

1 Check the battery

-	Check the condition of the battery. See Service Manual 3:1, Electrical system, Battery .

Is the condition of the battery OK?

yes

Continue with point 2.

no

Rectify the fault.

2 Final check

-	Clear the diagnostic trouble code.

-	Drive the car at varying engine loads and rpm for 5 minutes.

-	Read the diagnostic trouble code.

Is the diagnostic trouble code stored?

yes

Continue with

no

The diagnostic procedure carried out was correct or the fault is of an intermittent nature.