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B2190

Read the instructions below then start the fault diagnostic procedure.

Symptom: The radiator fan runs at high speed continuously (also with ignition OFF). Battery is discharged. Radiator fan does not operate at high speed, which may lead to engine overheating.

B2190


High Speed Radiator Fan Relay 1. Short to B+


Fault symptoms


The radiator fan runs at high speed continuously (also with ignition OFF).

Battery is discharged.

Radiator fan does not operate at high speed, which may lead to engine overheating.


Conditions

Control module output is monitored and if there is a short-circuit to ground/B+ or in the relay circuit, a diagnostic trouble code will be generated.

Diagnostic help

The output from the control module can be activated using the diagnostics instrument.