Diagnosis procedure
1.Check connector
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness continuity (open circuit)
Is the inspection result normal? Yes >> go to 3.
No >> repair the main line between the ipdm e/r and the harness connector e4.
3.Check harness continuity (open circuit)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the main line between the ipdm e/r and the data link connector.
No >> repair the main line between the harness connector m2 and the data link connector.
P0031, P0032 A/F sensor 1 Heater
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0031
A/F SEN 1 HTR (B1)
(HO2S heater control circuit
low bank 1 sensor 1)
The current amperage in the A/F sensor 1 heater
circui ...
Wiring diagram
Nvis (nissan vehicle immobilizer system-
nats)
Wiring Diagram
Vehicle security system
Wiring diagram
...
P1572 ASCD Brake switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1572 is displayed with DTC P0605, first perform the trouble
diagnosis for DTC P0605. Refer
to EC-348, "DTC Logic".
This self-diagnosis has the one trip detection logic. When
malfunction A is detected, DTC is not
stored in ECM me ...