Nissan Altima 2007-2012 Service Manual: B2612 steering status
Description
There are 2 switches in the electronic steering column lock. IPDM E/R compares those 2 switches conditions to judge the present steering status and transmit the result to BCM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE: • If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".
• If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-434, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE 1
1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.
- CVT selector lever is in the P or N position.
- Do not depress brake pedal.
- Steering is locked.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-492, "Diagnosis Procedure".
NO >> GO TO 2
2.PERFORM DTC CONFIRMATION PROCEDURE 2
1. Turn ignition switch ON.
2. Turn ignition switch OFF.
3. Press door switch.
4. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-492, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected after ignition switch is changed from ON to OFF and door switch is pressed.
• Case2: It is detected after ignition switch is changed from ON to OFF
In which case is DTC detected? Case1 >> GO TO 2
Case2 >> GO TO 7
2.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector.
3. Check voltage between electronic steering column lock harness connector and ground.
Is the inspection result normal? YES >> GO TO 4
NO >> GO TO 3
3.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I
1. Disconnect BCM harness connector.
2. Check continuity between BCM harness connector M19 (A) terminal 85 and electronic steering column lock harness connector M32 (B) terminal 3.
3. Check continuity between BCM harness connector M19 (A) terminal 85 and ground.
Is the inspection result normal? YES >> GO TO 6
NO >> Repair harness or connector.
4.CHECK IPDM E/R OUTPUT SIGNAL
1. Connect IPDM E/R harness connector.
2. Disconnect BCM harness connector.
3. Check voltage between electronic steering column lock harness connector and ground.
Is the inspection result normal? YES >> Replace electronic steering column lock.
NO >> GO TO 5
5.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II
1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 and IPDM E/R harness connector E18 (B) terminal 32.
2. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 and ground.
Is the inspection result normal? YES >> GO TO 6
NO >> Repair harness or connector.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
7.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector.
3. Check voltage between electronic steering column lock harness connector and ground.
Is the inspection result normal? YES >> GO TO 9
NO >> GO TO 8
8.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I
1. Disconnect BCM harness connector.
2. Check continuity between BCM harness connector M19 (A) terminal 86 and electronic steering column lock harness connector M32 (B) terminal 8.
3. Check continuity between BCM harness connector M19 (A) terminal 86 and ground.
Is the inspection result normal?
YES >> GO TO 11
NO >> Repair harness or connector.
9.CHECK IPDM E/R OUTPUT SIGNAL
1. Connect IPDM E/R harness connector.
2. Disconnect BCM harness connector.
3. Check voltage between electronic steering column lock harness connector and ground.
Is the inspection result normal? YES >> Replace electronic steering column lock.
NO >> GO TO 10
10.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II
1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 8 and IPDM E/R harness connector E18 (B) terminal 33.
2. Check continuity between electronic steering column lock harness connector and ground.
Is the inspection result normal? YES >> GO TO 11
NO >> Repair harness or connector.
11.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B260F engine status
Description
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diag ...
B2617 starter relay circuit
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:
Battery
How to Handle Battery
CAUTION:
• If it becomes necessary to start the engine with a booster battery and jumper
cables, use a 12-volt
booster battery.
• After connecting battery cables, ensure that they are tightly clamped to
battery terminals for good
contact.
• Never add distil ...
Power supply routing circuit
Wiring Diagram — Battery Power Supply —
Wiring Diagram — Accessory Power Supply —
Wiring Diagram — Ignition Power Supply —
Fuse
• If fuse is blown, be sure to eliminate cause of malfunction before
installing new fuse.
• Use fuse of sp ...
Precautions on child restraints
WARNING
Failure to follow the warnings and instructions
for proper use and installation
of child restraints could result in
serious injury or death of a child or
other passengers in a sudden stop or
collision:
– The child restraint must be used and
installed properly. Always follow all ...