FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B1345




B1345

Mixed Air Sensor Left. Short to Ground
Mixed Air Sensor Left. Open Circuit / Short to B+







Fault symptoms
Perceived temperature in cabin too high or too low compared to the set temperature.

Conditions
The following conditions apply:
- Open circuit or short to B+ on pin 19 >4.9 V.
- Short to ground on pin 19<0.1 V.
- Measured every 440 ms and 5 consecutive measurements are required to set a diagnostic trouble code.
- The diagnostic trouble code is deleted after the ignition has been switched on 20 times if the malfunction conditions have not been fulfilled.
- When the diagnostic trouble code is set, the control module uses the default value, which is the relative opening of the air-mixing flap in question multiplied by the coolant temperature.