Nissan Sentra Service Manual: 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 loose connection (unit side and connector side).
- Tcm
- Harness connector f50
- Harness connector e64
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness for open circuit
- Disconnect the connector of tcm.
- Check the resistance between the tcm harness connector terminals.
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the tcm branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the TCM. Refer to TM-234, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the TCM. Refer to the TM-263, "Removal and Installation".
YES (Past error)>>Error was detected in the TCM branch line.
NO >> Repair the power supply and the ground circuit.
Ipdm-e 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 ipdm e/r for damage, ben ...
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 w ...
Other materials:
Ignition coil
Exploded View
Ignition coil
Spark plug
Rocker cover
Removal and Installation
REMOVAL
Remove the engine room cover. Refer to EM-24, "Exploded View".
Disconnect the harness connector from the ignition coil.
Remove the ignition coil.
CAUTION:
Do not drop or shock i ...
Steering column
Inspection
STEERING COLUMN ASSEMBLY
Check each part of steering column assembly for damage or
other malfunctions. Replace entire steering column
assembly if any parts are damaged.
Measure steering column rotating torque using Tool. Replace
steering column assembly if outside the ...
P0127 IATSensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0127
IAT SENSOR-B1
(Intake air temperature too high)
Rationally incorrect voltage from the sensor is
sent to ECM, compared with the ...
