Touareg V6-3.2L (BMX) (2005)
Checking wire to Engine Control Module (ECM)
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Connect test box to control module wiring harness , connect test box for wiring test.
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Check wire between test box and 4-pin connector for open circuit according to wiring diagram.
Terminal 3 + socket 104
Wire resistance: max. 1.5 ohms
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Check wire for short circuit to vehicle Ground (GND) and to B+.
Specified value: infinite ohms
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Erase DTC memory of Engine Control Module (ECM) , Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If no malfunction is detected in wire and there was voltage present between terminals 1+4 and 2+4:
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Replace Coolant Fan Control (FC) Control Module 2 (J671) with Coolant Fan 2 (V177).
Final Procedures
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 ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09.
2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09.
3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.