Nissan Altima 2007-2012 Service Manual: IPDM-E branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of IPDM E/R.
2. Check the resistance between the IPDM E/R harness connector terminals.
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the IPDM E/R branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the IPDM E/R. Refer to PCS-23, "Diagnosis Procedure" .
Is the inspection result normal? YES (Present error)>>Replace the IPDM E/R. Refer to PCS-48, "Removal and Installation".
YES (Past error)>>Error was detected in the IPDM E/R branch line.
NO >> Repair the power supply and the ground circuit.
TCM branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and co ...Can communication circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connect ...Other materials:
B2109 steering lock relay
Description
The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN
communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the
steering to BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2109 is displayed with DTC U1000, first perf ...
SRS air bag system
SRS Configuration
The air bag deploys if the air bag diagnosis sensor unit is activated while
the ignition switch is in the ON or
START position.
The collision modes for which supplemental restraint systems are activated are
different among the SRS systems.
For example, the driver air ...
Water pump
Removal and Installation
1. Water pump
2. O-rings
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
coolant escaping from the radiator.
CAUTION:
• When removing water pump assembly, be careful not to get coolant on drive
belt.
...