Checking wiring and connectors

Check signal cable between control module #A22 (#A22) and mass air flow (MAF) sensor terminal 3 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults . The Intake Air Temperature (IAT) sensor is integrated into the Mass Air Flow (MAF) sensor.

Other information: 

• To connect the breakout box, see Connecting the breakout box
• To access the control module, see Engine control module (ECM), replacing
• To access/replace the Mass Air Flow (MAF) sensor, see Replacing the mass air flow (MAF) sensor
• For information about signals, see Signal specification .

Fig 1: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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