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Eos (1F7) V6-3.2L (BUB) (2008)

Powertrain Management > Emission Control Systems > Evaporative Emissions System > Leak Detection Pump, Evaporative System > Component Information > Testing and Inspection

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Leak Detection Pump: Testing and Inspection

Leak Detection Pump V144, Checking

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹› The Leak Detection Pump (LDP) (V144) fuse OK. 

‹› The ignition switched off.

‹› The voltage for the Leak Detection Pump (LDP) (-V144- ) is supplied via the Engine Control Module (ECM) Power Supply Relay (J271).

Test procedure

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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check

Start diagnosis

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Remove the left rear wheel housing liner.

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Disconnect the Leak Detection Pump (LDP) (V144 ) electrical harness connector - 3 -.

Checking internal resistance

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Using a Multimeter, check the Leak Detection Pump (LDP) (V144) for resistance as follows: 

Powertrain Management > Emission Control Systems > Evaporative Emissions System > Leak Detection Pump, Evaporative System > Component Information > Testing and Inspection

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