Nissan Sentra Service Manual: ECU diagnosis information
BCM
List of ECU Reference
Diagnosis system (BCM) (without intelligent key system)
Common item
Common item : consult function (bcm - common item)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
Direct Diagnostic Mode
Descriptio ...
Wiring diagram
Tire pressure monitoring system
With intelligent key
WITH INTELLIGENT KEY : Wiring Diagram
Without intelligent key
WITHOUT INTELLIGENT KEY : Wiring Diagram
...
Other materials:
Component parts
Component Parts Location
BCM (view with instrument panel removed)
Remote keyless entry receiver (view
with instrument panel removed)
Transmitter
Combination meter
Component Description
BCM
The BCM reads the tire pressure signal received by the remote keyless entry
receiver ...
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PAR ...
C1109 Power and ground system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1109
BATTERY VOLTAGE
[ABNORMAL]
When ignition voltage is 10 V or less.
When ignition voltage is 16 V or more.
Harness or connector
...
