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DRIVEABILITY - NGC
P0111-INTAKE AIR
Continued
TEST
7
Turn the ignition off.
Disconnect the IAT Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K21) IAT Signal circuit in the IAT
Sensor harness connector.
Is the resistance below 100 ohms?
Yes → Repair the short to ground in the (K21) IAT Signal circuit.
No
8
Turn the ignition off.
Disconnect the IAT Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (K4) Sensor ground circuit and the (K21) IAT
Sensor Signal circuit at the IAT Sensor harness connector.
Is the resistance below 5.0 ohms?
Yes → Repair the (K4) Sensor ground circuit shorted to the (K21) IAT
No
TEMPERATURE
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
→ Go To 8
Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
→ NOTE: Before continuing, check the PCM harness connector
terminals for corrosion, damage, or terminal push out. Repair as
necessary. Replace and program the Powertrain Control Module
in accordance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
SENSOR
274
PERFORMANCE
APPLICABILITY
All
All
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