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.