Checking Wiring
-- Remove the Engine Control Module -J623-. Refer to the Repair Information.
-- Using a multimeter, check the Leak Detection Pump (LDP) --V144-- electrical connector terminals to Engine Control Module -J623- electrical connector terminals for an open circuit or high resistance.
| Leak Detection Pump (LDP) --V144-- electrical harness connector terminal: | Engine Control Module -J623- electrical connector T94 terminal: |
|---|---|
| 1 | 8 |
| 2 | 71 |
| 3 | 49 |
Specified value: 1.0 Ω max.
If the specified value was Not obtained:
-- Check the wiring for high resistance or an open circuit.
-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-- If necessary, repair the faulty wiring connection.
If the specified voltage was obtained:
If no malfunction is found in wiring, the LDP resistance and the voltage supply were OK:
-- Replace the Engine Control Module -J623-. Refer to the Repair Information.
Assembly is performed in the reverse order of the removal, note the following:
-- Install the right rear wheel housing liner. Refer to the Repair Information.