2000 Volvo S40 code meaning

Tiny
KOSTYAG57
  • MEMBER
  • 2000 VOLVO S40
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 102,240 MILES
Hello, after using the trouble code reader I got the code, P0113 Intake Air Temperature Circuit High Input, what does it mean and any suggestions on how to fix it will be appreciated, thank you.
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Monday, September 14th, 2009 AT 4:21 PM

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Tiny
JIS001
  • EXPERT


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Check the engine Control module (ECM) and intake air temperature (IAT) sensor connectors for contact resistance and oxidation according to Checking wiring and terminals - Intermittent Faults.

Check in particular for damage, or loose terminal pins.

Check the signal cable between engine control module (ECM) terminal 48 and intake air temperature (IAT) sensor terminal 1 for an intermittent short-circuit to Supply voltage. Remedy according to Checking wiring and terminals - Intermittent Faults and for an intermittent open-circuit Checking wiring and terminals - Intermittent Faults.

Check the ground lead between engine control module (ECM) terminal 79 and intake air temperature (IAT) sensor terminal 2 for an intermittent open-circuit. Remedy according to Checking wiring and terminals - Intermittent Faults.

Checking The Signal Cable

Ignition on
Disconnect the intake air temperature sensor connector.
Connect a voltmeter between the intake air temperature (IAT) sensor connector terminal #1 (control module side) and ground.

The voltmeter should read approximately 5 V .

Checking The Ground Lead

Connect an ohmmeter between the intake air temperature (IAT) sensor connector terminal #2 (control module side) and ground.

The ohmmeter should read approximately 0 [ohm].

Checking Wiring And Terminals

Check the cable between intake air temperature (IAT) sensor connector terminal #1 (engine control module (ECM) side) and engine control module (ECM) terminal #48. Check for a short-circuit to supply voltage according to See: Related Tests, Information and Procedures Checking Wiring and Terminals

Remedy as necessary.

Checking Wiring And Terminals

Check the cable between intake air temperature (IAT) sensor connector terminal #1 (engine control module (ECM) side) and engine control module (ECM) terminal #48. Check for an open-circuit according to Checking wiring and terminals - Permanent Faults.

Check the cable between intake air temperature (IAT) sensor connector terminal #2 (engine control module (ECM) side) and engine control module (ECM) terminal #79. Check for an open-circuit according to Checking wiring and terminals - Permanent Faults.

If all that checks out good then replace the intake temperature sensor.
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Monday, September 14th, 2009 AT 10:54 PM

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