Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Leak Detection Pump, Checking
Special tools and workshop equipment required
- Multimeter.
- Wiring diagram.
Test Requirements
- The Fuel Pump (FP) -G6- OK.
- Leak Detection Pump (LDP) -V144- fuse OK.
- The ignition switched off.
Test Procedure
-- Perform a preliminary check to verify the customer's complaint. Refer to PRELIMINARY CHECK .
-- Remove the left rear wheel housing liner. Refer to WHEEL HOUSING LINER
-- Disconnect the electrical harness connector -3-.
Checking internal resistance
-- Using aMultimeter --, check the Leak Detection Pump (LDP) -V144- for resistance as follows:
| Leak Detection Pump (LDP) -V144- terminal | Specified value |
|---|---|
| -1- to -3- | 640 to 720 Ω |
| -2- to -3- | 15 to 17 Ω |
If the specifications are not obtained:
-- Replace the Leak Detection Pump (LDP) --V144--. Refer to Component Locations Overview
If the specified values are obtained:
Checking voltage supply
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.