Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Disconnect the following harness connectors.
- ECM
- Front air control (with manual air conditioning system)
- A/C auto amp. (with automatic air conditioning system)
- Low tire pressure warning control unit
- Check the continuity between the front air control harness connector or the A/C auto amp. harness connector and the low tire pressure warning control unit harness connector.
- With manual air conditioning system
Front air control harness connector
Low tire pressure warning control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M132
1
M123
2
Existed
17
1
Existed
- With automatic air conditioning system
A/C auto amp. harness connector
Low tire pressure warning control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M137
1
M123
2
Existed
21
1
Existed
- With manual air conditioning system
Is the inspection result normal?
YES
Check CAN system type decision again.
YES
Error was detected in the main line between the front air control or the A/C auto amp. and the low tire pressure warning control unit.
NO
Repair the main line between the front air control or the A/C auto amp. and the low tire pressure warning control unit.