Touareg 2 V6-3.6L (BHK) (2008)
If the specified value was not obtained:
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Check the wiring connection from the Residual Heat Relay socket 2/85 to Climatronic Control Module (J255) , connector T24, Pin 14.
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Check the wiring connections for damage, corrosion, loose or broken terminals.
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If necessary, repair as needed.
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Using a Multimeter, check the Residual Heat Relay (J708) socket 2/85 to chassis ground (GND).
If the specified value (Approx 2 ohms) was obtained,
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Replace Recirculation Pump Relay (J160) or the Residual Heat Relay (J708)
If no malfunction is found in the wiring and voltage supply at Residual Heat Relay (J708)socket 1/86 was not OK:
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Check or replace Climatronic Control Module (J255)
Final procedures
After 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/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes.
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/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes.
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.
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End of diagnosis.