Pinpoint Test B: P1889-18
- B1: P1889-18 TEST 1
- Inspect the pump sealing for damage or signs of an oil leak
Is there any damage present on the pump sealing?
Yes
Replace sealing. GO to B2.
No
GO to B2.
- B2: P1889-18 TEST 2
- Clear the DTC
- Drain and refill the oil. Refer to: TRANSFER CASE DRAINING AND FILLING Using the Jaguar Land Rover approved diagnostic equipment complete routine - All Wheel Drive - Pump Venting. Clear the DTC and retest
Is the DTC still present?
Yes
If the DTC is still present, install a new de-air valve (breather C2D25080, LR093819) Always check and install the latest part number available. Drain and refill the oil. Refer to: TRANSFER CASE DRAINING AND FILLING Using the Jaguar Land Rover approved diagnostic equipment complete routine - All Wheel Drive - Pump Venting. GO to B3.
No
Repair is complete
- B3: P1889-18 TEST 3
- Clear the DTC and retest.
Is the DTC still present?
Yes
If the DTC is still present, install a new transfer case actuator (T2H20181, LR093768) Always check and install the latest part number available. Drain and refill the oil. Refer to: TRANSFER CASE DRAINING AND FILLING Using the Jaguar Land Rover approved diagnostic equipment complete routine - All Wheel Drive - Pump Venting. GO to B4.
No
Repair is complete
- B4: P1889-18 TEST 4 NOTE:
- The transfer case should only be replaced following the completion of the pinpoint test.
- A session file will be reviewed in the warranty returns process to make sure the correct procedure has been followed.
- A transfer case prior approval request will not be approved without evidence of the above pinpoint test being completed for P1889-18 being set.
- Clear the DTC and retest
Is the DTC still present?
Yes
Install a new transfer case
No
Repair is complete