2014 NISSAN TEANA ignition

PCS
B26F1 IGNITION RELAYPCS-71
< DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM]
C
D E
F
G H
I
J
K L
B
A
O P
N
4. Check continuity between IPDM E/R connector E63 terminal 43 and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace harness or connectors.
IPDM E/R BCM Continuity
Connector Terminal Connector Terminal
E63 43 M18 70 Yes
IPDM E/R Ground Continuity
Connector Terminal
E63 43 — No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS-72
< DTC/CIRCUIT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B26F2 IGNITION RELAY
B26F2 IGNITION RELAY
DTC LogicINFOID:0000000009461653
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF DIAGNOSTIC RESULT
1. Turn ignition switch ON under the following conditions, and wait for 2 seconds or more.
- CVT selector lever is in the P (park) or N (neutral) position.
- Do not depress brake pedal.
2. Perform self diagnostic result.
Is DTC B26F2 detected?
YES >> Go to PCS-72, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461654
Regarding Wiring Diagram information, refer to PCS-44, "Wiring Diagram".
1. CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R
1. Perform self diagnostic result for IPDM E/R.
2. Erase DTCs.
3. Turn ignition switch OFF.
4. Turn ignition switch ON.
5. Perform self diagnostic result for IPDM E/R.
Are any DTCs detected?
YES >> Refer to PCS-20, "DTC Index".
NO >> GO TO 2.
2.CHECK IGNITION RELAY-1 CONTROL SIGNAL (IPDM E/R)
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E63.
3. Check voltage between IPDM E/R connector E63 terminal 43 and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> GO TO 3.
3.CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT
1. Disconnect BCM connector M18.
2. Check voltage between IPDM E/R connector E63 terminal 43 and ground.
CONSULT Display DTC detectin g condition Possible cause
IGN RELAY ON
[B26F2] BCM transmits the ignition relay control signal, but
does not receive ignition switch ON signal (CAN)
from IPDM E/R. • Harness or connectors
•BCM
• IPDM E/R
IPDM E/R Ground Condition Vo l ta g e
(Approx.)
Connector Terminal
E63 43 — Ignition: OFF 0V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS
B26F2 IGNITION RELAYPCS-73
< DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM]
C
D E
F
G H
I
J
K L
B
A
O P
N
Is the inspection result normal?
YES >> Replace BCM. Refer to
BCS-80, "Removal and Installation".
NO >> Repair or replace harness or connectors.
IPDM E/R Ground Condition Vo l ta g e
(Approx.)
Connector Terminal
E63 43 — Ignition: OFF 0V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS-74
< DTC/CIRCUIT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B26F6 BCM
B26F6 BCM
DTC LogicINFOID:0000000009461655
DTC DETECTION LOGIC
NOTE:
• If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
PCS-56, "DTC Logic"
.
• If DTC B26F6 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to PCS-57, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PERFORM SELF DIAGNOSTIC RESULT
1. Turn ignition switch ON under the following conditions, and wait for 2 seconds or more.
- CVT selector lever is in the P (park) or N (neutral) position.
- Do not depress brake pedal.
2. Perform self diagnostic result.
Is DTC B26F6 detected?
YES >> Go to PCS-74, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009461656
Regarding Wiring Diagram information, refer to PCS-44, "Wiring Diagram".
1. CHECK SELF DIAGNOSTIC RESULT FOR IPDM E/R
Perform self diagnostic result for IPDM E/R.
Are any DTCs detected?
YES >> Refer to PCS-20, "DTC Index".
NO >> GO TO 2
2. CHECK IGNITION RELAY-1 POWER SUPPLY (IPDM E/R)
Check voltage between IPDM E/R connector E63 terminal 43 and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> GO TO 3.
3. CHECK IGNITION RELAY-1 POWER SUPPLY (BCM)
Check voltage between BCM connector M18 terminal 70 and ground.
CONSULT Display DTC Detectio n Condition Possible Cause
BCM
[B26F6] Ignition relay ON signal is not transmitted from IPDM
E/R (CAN) when BCM turn s ignition relay ON. BCM
IPDM E/R
Ground Condition Vo l ta g e
(Approx.)
Connector Terminal
E63 43 — Ignition: OFF 0V
Ignition: ON Battery voltage
BCM Ground Condition Vo l ta g e
(Approx.)
Connector Terminal
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS
B26F6 BCMPCS-75
< DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM]
C
D E
F
G H
I
J
K L
B
A
O P
N
Is the inspection result normal?
YES >> Refer to
GI-43, "Intermittent Incident".
NO >> Replace BCM. Refer to BCS-80, "Removal and Installation"
.
M18 70 — Ignition: OFF 0V
Ignition: ON Battery voltage
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS-76
< DTC/CIRCUIT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
PUSH-BUTTON IGNITION SWITCH
Component Function CheckINFOID:0000000009461657
1.CHECK FUNCTION
1. Select “PUSH SW” in “Data Monitor” of BCM with CONSULT.
2. Check the push-button ignition switch signal under the following conditions.
Is the indication normal?
YES >> Inspection End.
NO >> Go to PCS-76, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009461658
Regarding Wiring Diagram information, refer to PCS-44, "Wiring Diagram".
1. CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (PUSH-BUTTON IGNITION SWITCH)
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector and IPDM E/R connector E63.
3. Check voltage between push-button ignition switch connector M38 terminal 8 and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2. CHECK PUSH-BUTTON IGNI TION SWITCH CIRCUIT (BCM)
1. Disconnect BCM connector M17.
2. Check continuity between BCM connector M17 termi nal 1 and push-button ignition switch connector M38
terminal 8.
3. Check continuity between BCM connector M17 terminal 1 and ground.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-80, "Removal and Installation".
NO >> Repair or replace harness or connectors.
3. CHECK IGNITION SWITCH OU TPUT SIGNAL (IPDM E/R)
Check voltage between IPDM E/R connector E63 terminal 38 and ground.
Test item Condition Status
PUSH SW Push-button ignition switch is pressed On
Push-button ignition switch is not pressed Off
Push-button ignition switch GroundVo l ta g e
(Approx.)
Connector Terminal
M38 8 — Battery voltage
BCM Push-button ignition switch Continuity
Connector Terminal Connector Terminal
M171M388 Yes
BCM Ground Continuity
Connector Terminal
M17 1 — No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS
PUSH-BUTTON IGNITION SWITCHPCS-77
< DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM]
C
D E
F
G H
I
J
K L
B
A
O P
N
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4. CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1. Disconnect BCM connector M17.
2. Check continuity between IPDM E/R connector E63 terminal 38 and push-button ignition switch connector
M38 terminal 8.
3. Check continuity between IPDM E/R connector E63 terminal 38 and ground.
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to PCS-32, "Removal and Installation".
NO >> Repair or replace harness or connectors.
5.CHECK PUSH-BUTTON IGNITION SWITCH GROUND CIRCUIT
Check continuity between push-button igniti on switch connector M38 terminal 4 and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness or connectors.
6.CHECK PUSH-BUTTON IGNITION SWITCH
Refer to PCS-77, "Component Inspection"
.
Is the inspection result normal?
YES >> Refer to GI-43, "Intermittent Incident".
NO >> Replace push-button ignition switch.
Component InspectionINFOID:0000000009461659
1.CHECK PUSH-BUTTON IGNITION SWITCH
1. Turn ignition switch OFF.
2. Disconnect push-button ignition switch connector.
3. Check continuity between push-button ignition switch terminals.
Is the inspection result normal?
IPDM E/R GroundVo l ta g e
(Approx.)
Connector Terminal
E63 38 — Battery voltage
IPDM E/R Push-button ignition switch Continuity
Connector Terminal Connector Terminal
E63 38 M38 8 Yes
IPDM E/R Ground Continuity
Connector Terminal
E63 38 — No
Push-button ignition switch Ground Continuity
Connector Terminal
M38 4 — Yes
Push-button ignition switch terminals Condition Continuity
4 – 8 Pressed Yes
Not pressed No
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PCS-78
< DTC/CIRCUIT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
YES >> Inspection End.
NO >> Replace push-button ignition switch.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM