Nissan Sentra Service Manual: Dtc/circuit diagnosis
- Headlamp (hi) circuit
- Headlamp (lo) circuit
- Daytime light relay circuit
- Front fog lamp circuit
- Parking lamp circuit
- Turn signal lamp circuit
- Optical sensor
- Hazard switch
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2
2.SYMPTOM CHECK
Verify the s ...
Headlamp (hi) circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
headlamp high relay based on
inputs from the BCM over the CAN communication lines. When the headlamp high ...
Other materials:
P0462, P0463 Fuel level sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the
trouble diagnosis for DTC
UXXXX.
If DTC P0462 or P0463 is displayed with DTC P0607, first perform the
trouble diagnosis for DTC
P0607. Refer to EC-350, "DTC Logic".
...
Ignition timing
Inspection
1.CHECK IGNITION TIMING
Attach timing light to the ignition coil No.1 harness.
Check ignition timing.
: Timing indicator
Specification : EC-486, "Ignition Timing"
>> INSPECTION END
...
P0507 ISC System
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...
