A3 L4-2.0L Turbo (BPY) (2006)
Mass Air Flow (MAF) Sensor
Motronic Engine Control Module
G70 electrical harness
(ECM) J220 electrical connector
connector terminals
T94 terminals or test box socket
1
22
2
64
Specified value: 1.5 Ohms max.
If the specification is not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
-
Check the electrical harness connector for damage, corrosion, lose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and if the voltage supply was OK:
-
Replace Mass Air Flow (MAF) Sensor G70.
If no malfunction is detected in the wiring and if the voltage supply was not OK:
-
Replace the Motronic Engine Control Module (ECM) J220.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 -
09/Diagnostic Mode 03 - Read DTC Memory
2. If necessary, erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic
Mode 04: Reset/Delete Diagnostic Data
3. If the DTC memory was erased, generate readiness code.
-
End of diagnosis.