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Home >> Saab >> 2005 >> 9-2X Linear, 251, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine (Diagnostics) - 2.5L >> Diagnostic Procedure With DTC >> DTC P0122: Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input >> Wiring Diagram: >> Check Short Circuit Inside The ECM
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Check Short Circuit Inside The ECM

Turn the ignition switch to OFF.

Measure the resistance between electronic throttle control connector and engine ground.

Connector & terminal 

(E57) No. 6 - Engine ground: 

Is the resistance more than 10 O? 

YES 

Repair poor contact of electronic throttle control connector. Replace the accelerator position sensor if defective.

NO 

Repair the poor contact in ECM connector. Replace the ECM if defective.

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