Nissan Altima 2007-2012 Service Manual: B2607 steering lock relay
Description
BCM requests to IPDM E/R to supply power to electronic steering column lock. IPDM E/R sends status of steering lock unit back to BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE: • If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-36, "DTC Logic".
• If DTC B2607 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-37, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions.
- CVT selector lever is in the P position
- Do not depress brake pedal
2. Steering lock is locked.
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-89, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT-III. Refer to PCS-45, "DTC Index".
Is the inspection result normal? YES >> GO TO 2
NO >> Repair or replace malfunctioning parts.
2.CHECK ELECTRONIC STEERING COLUMN LOCK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect electronic steering column lock harness connector.
3. Check voltage between electronic steering column lock and ground under the following conditions.
Is the inspection result normal?
YES >> GO TO 4
NO >> GO TO 3
3.CHECK ELECTRONIC STEERING COLUMN LOCK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check continuity between electronic steering column lock and IPDM E/R harness connector.
4. Check continuity between electronic steering column lock and ground.
Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation".
NO >> Repair harness or connector.
4.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B2606 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 B ...
B2608 starter relay
Description
Located in IPDM E/R, it runs the starter motor. The starter relay is turned
ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal ...
Other materials:
P1574 ASCD Vehicle speed sensor
Description
The ECM receives two vehicle speed signals via the CAN communication line.
One is sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these signals for ASCD control.
Refer to EC-1090, "System Diagram" for ASCD functions.
...
Seat belt warning chime
System Diagram
System Description
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt
warning chime will sound for approximately
6 seconds.
• BCM receives seat belt buckle switch signal from combination meter with CAN
communication line.
• BCM de ...
Ecu diagnosis
TCM
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
*1: This circuit is not used.
*2: A circuit tester cannot be used to test this item.
Wiring Diagram - CVT CONTROL SYSTEM -
Coupe
Wiring Diagram - CVT CONTROL SYSTEM - Sedan
...