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:
Precaution for Supplemental Restraint System (SRS) "AIR BAG"
and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT
BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
AIR Breather hose
Exploded View
Harness bracket
Clip
Air breather hose
Vehicle front
Always replace after every
disassembly.
Removal and Installation
REMOVAL
Remove clips from harness bracket
Remove air breather hose from transaxle assembly.
INSTALLATION
Installation is in the revers ...
P1078 EVT Control position sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1078
EXH TIM SEN/CIRC-B1
(Exhaust valve timing control
position sensor circuit
bank 1)
An excessively high or low voltage from
...
