Nissan Altima 2007-2012 Service Manual: 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 to BCM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE: • If DTC B2617 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-36, "DTC Logic".
• If DTC B2617 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-37, "DTC Logic".
• If DTC B2617 is displayed with DTC B2611, first perform the trouble diagnosis for DTC B2611. Refer to PCS-63, "DTC Logic".
• If DTC B2617 is displayed with DTC B210E, first perform the trouble diagnosis for DTC B210E. Refer to SEC-105, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON under the following conditions and wait for at least 1 second.
- CVT selector lever is in the P position.
- Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-105, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK STARTER RELAY
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector and ground under the following condition.
Is the measurement value within the specification.
YES >> GO TO 3
NO >> GO TO 2
2.CHECK STARTER RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM harness connector and IPDM E/R harness connector.
3. Check continuity between IPDM E/R harness connector and BCM harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> Repair harness or connector.
3.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B2612 steering status
Description
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches
conditions to judge the
present steering status and transmit the result to BCM via CAN communication.
DT ...
B2619 BCM
Description
BCM requests IPDM E/R to supply power to steering lock unit. After receiving
the power, the steering lock unit
transmits an ON signal to BCM.
DTC Logic
DTC DETECTION LOGIC
DTC C ...
Other materials:
B2191, P1615 difference of key
Description
Performs ID verification through BCM and Intelligent Key when push-button
ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.P ...
Combination switch output circuit
Diagnosis Procedure
1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1. Turn the ignition switch OFF.
2. Disconnect the BCM and combination switch.
3. Check continuity between BCM harness connector and combination
switch harness connector.
Does continuity exist?
YES >> GO TO 2
NO ...
L Terminal circuit
Description
The terminal “2” (L) circuit controls the charge warning lamp. The charge
warning lamp illuminates when the
ignition switch is set to ON or START. When the generator is providing
sufficient voltage with the engine running,
the charge warning lamp will go off. If the charge war ...