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.
High Speed Radiator Fan Relay 1. Short to B+
High Speed Radiator Fan Relay 1. Open circuit / Short to ground
Fault symptoms
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Radiator fan operates continuously at high speed (even with ignition OFF).
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Radiator fan does not operate at high speed, which may lead to engine overheating.
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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.
