Charging System (DTC/Circuit Diagnosis)
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK TERMINAL "B" CONNECTION
- Turn ignition switch OFF.
- Verify terminal "B" is clean and tight.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair terminal "B" connection. Confirm repair by performing system test using 165-DSS-5000PI. Refer to the applicable Instruction Manual for proper testing procedures.
- CHECK TERMINAL "B" CIRCUIT
Check voltage between generator connector F6 terminal 1 and ground.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
F6
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Check harness for open between generator and fusible link.
- CHECK TERMINAL "B" CONNECTION (VOLTAGE DROP TEST)
- Start engine, then engine running at idle and warm.
- Check voltage between battery positive terminal and generator connector F6 terminal 1.
(+)
(-)
Voltage
(Approx.)
Connector
Terminal
F6
1
Battery positive terminal
Less than 0.2 V
Is the inspection result normal?
YES
Terminal "B" circuit is normal. Refer to Work Flow (With 165-DSS-5000P) or Work Flow (Without 165-DSS-5000P) .
NO
Check harness between battery and generator for high resistance.