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B2190

Read the instructions below then start the fault diagnostic procedure.

Symptom: Radiator fan operates continuously at high speed (even 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+

High speed radiator fan relay 1. Open circuit / short to ground


Fault symptoms


Radiator fan operates continuously at high speed (even 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 to ground/B+ or open circuit for the relay, the diagnostic trouble code is generated.

Diagnostic help

The output from the control module can be checked using the diagnostics tool.