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(P0112) INTAKE AIR TEMPERATURE SENSOR CIRCUIT LOW (EXCEPT SRT) (CONTINUED) When Monitored and Set Condition • When Monitored: Ignition on. • Set Condition: The Intake Air Temperature (IAT) Sensor reading is less than 0.1 volt for approximately 1 sec- POSSIBLE CAUSES INTAKE AIR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT INTAKE AIR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND MASS AIR FLOW / INTAKE AIR TEMPERATURE SENSOR POWERTRAIN CONTROL MODULE For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA- Diagnostic Test 1. PRE-DIAGNOSTIC CHECK OUT Note: Always perform diagnostics with a fully charged battery. Note: Check connectors — Clean/repair as necessary. Poor pin to Note: Check for applicable TSBs related to the problem. With the DRB III T , read PCM DTCs. Using the wiring diagram/schematic as a guide, inspect the wiring and Perform this procedure prior to symptom diagnosis. Continue Go To 2 2. CHECK FOR CURRENT DTC Note: If the PCM detects and stores a DTC, the PCM also stores T at the same time the DTC is displayed. Note: Before erasing stored DTCs, record these conditions. With the DRB III T , erase PCM DTCs. Note: It maybe necessary to road test the vehicle for this DTC to T , read PCM DTCs. Did this DTC set again? Yes >> Go To 3 No >> Go To 6 ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 45 |