TT Coupe L4-1.8L Turbo (AWP) (2005)
If the motor does not start up, or no air or only very little air escapes:
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Disconnect connection between Secondary Air Injection (AIR) Pump Motor and battery.
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Replace Secondary Air Injection (AIR) Pump Motor V101.
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Erase DTC memory of ECM. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode
04 - Erase DTC Memory
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Generate Readiness Code
If motor starts, and air escapes:
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Disconnect connection between Secondary Air Injection (AIR) Pump Motor and battery.
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Remove Secondary Air Injection (AIR) pump relay -1-.
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Check wire connection between terminal 2 on relay plate and terminal 2 on the 2-pin connector from Secondary Air Injection (AIR) Pump Motor
for open circuit according to wiring diagram.
Wiring resistance: max. 1.5 Ohms
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Also check wire connections for short circuit to B+ and Ground (GND).
Specified value: Infinity Ohms
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Check wiring harness between 2-pin connector terminal 1 and Ground (GND) according to wiring diagram for open circuit.
Wiring resistance: max. 1.5 Ohms
If no malfunction is found in wire connections:
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Replace Motronic Engine Control Module (ECM) J220.
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Erase DTC memory of ECM. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode
04 - Erase DTC Memory
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Generate Readiness Code