Nissan Sentra Service Manual: A-bag branch line circuit
Diagnosis procedure
Warning:
Always observe the following items for preventing accidental activation.
- Before servicing, turn ignition switch off, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
- Never use unspecified tester or other measuring device.
1.Check connector
- Turn the ignition switch off.
- Disconnect the battery cable from the negative terminal.
- Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to SRC-38, "Work Flow".
Is the inspection result normal? YES >> Replace the main harness.
NO >> Replace parts whose air bag system has a malfunction.
Tcm branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
Dlc branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal
Check the terminals and connectors of the data link connector for
...
Other materials:
Fuel injector
Component Function Check
1.INSPECTION START
Turn ignition switch to START.
Is any cylinder ignited?
YES >> GO TO 2.
NO >> Proceed to EC-450, "Diagnosis Procedure".
2.CHECK FUEL INJECTOR FUNCTION
With CONSULT
Start engine.
Perform “POWER BALANCE” in Р...
Hazard switch
Component function check
1.Check hazard switch signal by consult
Consult data monitor
Turn ignition switch ON.
Select hazard sw of bcm (flasher) data monitor item.
While operating the hazard switch, check the monitor status.
Is the inspection result normal?
Yes >> hazard swi ...
DTC/circuit diagnosis
P1610 LOCK MODE
Description
ECM forcibly switches to the mode that inhibits engine start, when engine
start operation is performed 5 times
or more while communication between ECM and BCM is not normal.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1610 is displayed with other DTC (for BCM or ...
