audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2018 > < Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2016
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connector terminal

T121 terminal or test box socket

2

115

Camshaft Adjustment Valve 2

Motronic Engine Control Module

(exhaust) N208 electrical

(ECM) electrical harness connector

harness connector terminal

T121 terminal or test box socket

2

120

Specified value: 1.5 Ohms Max.

If the specified value was not obtained:

-

Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).

-

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

-

If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and voltage supply was not OK:

-

Replace the Motronic Engine Control Module (ECM) J623.

-

Install the engine cover with air filter.

Final procedures

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

1. Check the DTC memory.  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and

Procedures/Diagnostic Mode 03 - Read DTC Memory

2. If necessary, erase the DTC memory.  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing

and Procedures/Diagnostic Mode 04 - Erase DTC Memory

3. If the DTC memory was erased, generate readiness code.  See: Powertrain Management/Computers and Control Systems/Testing and

Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

End of diagnosis.

Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2018 > < Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2016