Touareg V8-4.2L (AXQ) (2006)
Leak Detection Pump: Testing and Inspection
Leak Detection Pump, Checking
Diagnostic Procedures
Leak Detection Pump, Checking
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test requirements
‹› Fuses in E-box (in plenum chamber, left) must be OK:
‹› Motronic Engine Control Module (ECM) Power Supply Relay (J271) must be OK, check:
‹› Ground (GND) connections between engine and chassis must be OK.
‹› Ignition switched off.
Test sequence
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Remove rear right wheelhousing liner.
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Disconnect 3-pin connector of Leak detection pump (LDP) (V144) (- 2 -).