Nissan Sentra Service Manual: ECU diagnosis information
A/C AUTO AMP
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.
DTC Index
*: Perform self-diagnosis under direct sunlight. When performing indoors, aim a light (more than 60 W) at sunload sensor, otherwise selfdiagnosis reports an error even though the sunload sensor is functioning normally.
ECM, IPDM E/R, BCM
List of ECU Reference
System description
Component parts
Component part location
ECM
IPDM E/R
BCM (view with instrument panel removed)
A/C auto amp. (view with A/C switch
assembly removed)
A/C switch assembly
A/C Com ...
Wiring diagram
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
...
Other materials:
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
Starting system (without intelligent key)
Wiring Diagram
...
How to erase permanent DTC
Description
OUTLINE
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL
shutoff if the same malfunction
is not detected after performing the driving pattern for MIL shutoff three times
in a raw.
*1: When the same malfunction is detec ...
