Nissan Altima 2007-2012 Service Manual: IPDM E/R (Intelligent power distribution module engine room)
Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Is the fuse blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connectors.
3. Check voltage between IPDM E/R harness connector and ground.
Is the measurement value normal? YES >> GO TO 3
NO >> Repair harness or connector.
3. CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and ground.
Does continuity exist? YES >> Inspection End.
NO >> Repair harness or connector.
BCM (Body control module)
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link are blown.
Is the fuse or fusible link blown?
YES >> Replace the blown fuse or fusible li ...
Headlamp (HI) circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
headlamp high relay based on
inputs from the BCM over the CAN communication lines. When the headlamp high ...
Other materials:
Engine speed signal circuit
Description
• ECM sends engine speed signal to power steering control unit.
Diagnosis Procedure
1.PERFORM ECM SELF-DIAGNOSIS
Perform ECM self-diagnosis.
Is any error system detected?
YES >> Check the error system.
NO >> GO TO 2.
2.CHECK HARNESS BETWEEN ECM AND POWER STEE ...
ECU diagnosis
POWER STEERING CONTROL UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
CAUTION:
When using circuit tester or oscilloscope to measure voltage for inspection, be
sure not to extend forcibly any connector terminals.
Wiring Diagram — ELECTRONICALLY CONTROLLED
POWER STEERING SYSTEM ...
Service data and specifications
(SDS)
Standard and Limit
GENERAL SPECIFICATIONS
DRIVE BELTS
CYLINDER HEAD
* Approximately 80°C (176°F)
Available Valve Lifter
Valve Spring
CAMSHAFT AND CAMSHAFT BEARING
CYLINDER BLOCK
PISTON, PISTON RING, AND PISTON PIN
Available Piston
Piston Ring
CONNECT ...