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Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> 3.0L - Generic Scan Tool - Engine Code: CGXB (2 Of 2) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Manifold Absolute Pressure Sensor / Intake Air Temperature Sensor, Checking >> Component Check

Component Check

-- Remove the Engine Control Module - J623 -. Refer to appropriate Service Information.

-- Using a Multimeter, Check the Manifold Absolute Pressure (MAP) Sensor -G71- Intake Air Temperature (IAT) Sensor -G42- electrical harness connector to the Engine Control Module electrical harness connector T60 for an open circuit.

Manifold Absolute Pressure (MAP) Sensor -G71- Intake Air Temperature (IAT) Sensor -G42- electrical harness connector terminals: Engine Control Module electrical harness connector T60 terminals:
2 41
4 37

Specified value: 1.5 Ω Max.

If the specified values were Not obtained:

-- Check the wiring connection for an open circuit, short circuit to Battery voltage or Ground.

-- Check the wiring connection for damage, corrosion, loose or broken terminals.

-- If necessary, repair the faulty wiring connection.

-- Go to Final procedures.

If the specified values were obtained:

-- Replace the Manifold Absolute Pressure (MAP) Sensor -G71- Intake Air Temperature (IAT) Sensor -G42-. Refer to appropriate Service Information.

Final procedures. 

-- Reinstall the engine cover with air filter, if necessary. Refer to the appropriate Service Information.

-- After the repair work, the following work steps must be performed in the following sequence:

  1. Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
  2. If necessary, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
  3. If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .