ignition NISSAN TEANA 2008 Service Manual

PCS
B2615 BLOWER RELAY CIRCUIT
PCS-55
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B2615 BLOWER RELAY CIRCUIT
DescriptionINFOID:0000000003805744
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC LogicINFOID:0000000003805745
DTC DETECTION 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.
- Selector lever is in the P or N position
- Do not depress brake pedal
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to PCS-55, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805746
1.CHECK BLOWER RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect blower relay.
3. Check voltage between blower relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BLOWER RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between blower relay harness connector and BCM harness connector.
4. Check continuity between blower relay harness connector and ground.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2615 Blower relay circuitBCM detects a difference of signal for 1 second or
more between the following information.
 Blower relay ON/OFF request
 Blower relay feedback Harness or connectors
(Blower relay circuit is open or
shorted)
 Blower relay
(+)
(–) ConditionVoltage (V)
(Approx.) Blower relay
Te r m i n a l
1 Ground Ignition switchOFF or ACC 0
ON Battery voltage
Blower relay BCM
Continuity
Terminal Connector Terminal
1M122102Existed

PCS-56
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B2615 BLOWER RELAY CIRCUIT
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK BLOWER RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between blower relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair blower relay ground circuit.
4.CHECK BLOWER RELAY
Refer to PCS-56, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace blower relay.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003805747
1.CHECK BLOWER RELAY
1. Turn ignition switch OFF.
2. Remove blower relay.
3. Check the continuity between blower relay terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace blower relay
Blower relay
GroundContinuity
Te r m i n a l
1Not existed
Blower relay
GroundContinuity
Te r m i n a l
2Existed
Terminals Condition Continuity
3 and 512 V direct current supply between terminals 1 and 2 Existed
No current supply Not existed
PBIB0098E

PCS
B2616 IGNITION RELAY CIRCUIT
PCS-57
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B2616 IGNITION RELAY CIRCUIT
DescriptionINFOID:0000000003805748
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC LogicINFOID:0000000003805749
DTC DETECTION 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.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to PCS-57, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805750
1.CHECK IGNITION RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect ignition relay.
3. Check voltage between ignition relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK IGNITION RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between ignition relay harness connector and BCM harness connector.
4. Check continuity between ignition relay harness connector and ground.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2616 Ignition relay circuitAn immediate operation of ignition relay (fuse
block) is requested by BCM, but there is no re-
sponse for more than 1 second Harness or connectors
(Ignition relay circuit is open or
shorted)
 Ignition relay (Fuse block)
(+)
(–) ConditionVoltage (V)
(Approx.) Ignition relay
Te r m i n a l
1 Ground Ignition switchOFF or ACC 0
ON Battery voltage
Ignition relay BCM
Continuity
Terminal Connector Terminal
1 M122 82 Existed

PCS-58
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B2616 IGNITION RELAY CIRCUIT
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK IGNITION RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between ignition relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair ignition relay ground circuit.
4.CHECK IGNITION RELAY
Refer to PCS-58, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace ignition relay.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003805751
1.CHECK IGNITION RELAY
1. Turn ignition switch OFF.
2. Remove ignition relay.
3. Check the continuity between ignition relay terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace Ignition relay
Ignition relay
GroundContinuity
Te r m i n a l
1Not existed
Ignition relay
GroundContinuity
Te r m i n a l
2Existed
Terminals Condition Continuity
3 and 512 V direct current supply between terminals 1 and 2 Existed
No current supply Not existed
PBIB0098E

PCS
B2618 BCM
PCS-59
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B2618 BCM
DescriptionINFOID:0000000003805752
BCM controls the various electrical components and simultaneously supplies power according to the power
supply position.
BCM checks the power supply position internally.
DTC LogicINFOID:0000000003805753
DTC DETECTION LOGIC
NOTE:
 If DTC B2618 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
PCS-46, "
BCM : DTC Logic".
 If DTC B2618 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
PCS-48, "
BCM : 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.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to PCS-59, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805754
1.INSPECTION START
1. Turn ignition switch ON.
2. Select “Self diagnostic result” mode with CONSULT-III.
3. Touch “ERASE”.
4.Perform DTC Confirmation Procedure.
See PCS-59, "
DTC Logic".
Is the 1st trip DTC B2618 displayed again?
YES >> Replace BCM. Refer to BCS-78, "Removal and Installation"
NO >> INSPECTION END
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2618 BCMAn immediate operation of ignition relay (IPDM E/
R) is requested by BCM, but there is no response
for more than 1 secondBCM

PCS-60
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
DescriptionINFOID:0000000003805755
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
DTC LogicINFOID:0000000003805756
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions, and wait for at least 1 second.
- Selector lever is in the P or N position.
- Do not depress brake pedal.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES >> Go to PCS-60, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805757
1.CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn ON?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
1. Disconnect push-button ignition switch connector and BCM connector.
2. Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace IPDM E/R. Refer to PCS-34, "
Removal and Installation".
3.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B261APUSH-BUTTON IG-
NITION SWITCH BCM detects a difference of signal for 1 second or
more between the following information.
 Power supply position by push-button ignition
switch
 Power supply position from IPDM E/R (CAN) Harness or connectors
(Push-button ignition switch circuit
is open or shorted.)
(+)
(–)Voltage (V)
(Approx.) IPDM E/R
Connector Terminal
E10 28 Ground Battery voltage

PCS
B261A PUSH-BUTTON IGNITION SWITCH
PCS-61
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3. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
4.CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)
1. Connect BCM connector.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace BCM. Refer to BCS-78, "
Removal and Installation".
5.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1. Disconnect BCM connector and IPDM E/R connector.
2. Check continuity between BCM harness connector and push-button ignition switch harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
IPDM E/R Push-button ignition switch
Continuity
Connector Terminal Connector Terminal
E10 28 M101 4 Existed
IPDM E/R
GroundContinuity
Connector Terminal
E10 28 Not existed
(+)
(–)Voltage (V)
(Approx.) BCM
Connector Terminal
M122 89 Ground Battery voltage
BCM Push-button ignition switch
Continuity
Connector Terminal Connector Terminal
M122 89 M101 4 Existed
BCM
GroundContinuity
Connector Terminal
M122 89 Not existed

PCS-62
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis ProcedureINFOID:0000000003805758
1.CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connectors.
3. Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> INSPECTION END
NO >> Repair or replace harness.
Signal name Fuse and fusible link No.
Battery power supplyI
10
(+)
(−)Voltage (V)
(Approx.) BCM
Connector Terminal
M118 1
Ground Battery voltage M119 11
M123 116
BCM
GroundContinuity
Connector Terminal
M119 13 Existed

PCS
PUSH-BUTTON IGNITION SWITCH
PCS-63
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PUSH-BUTTON IGNITION SWITCH
DescriptionINFOID:0000000003805759
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication line. IPDM E/R transmits the power supply position status via CAN communication
line to BCM.
Component Function CheckINFOID:0000000003805760
1.CHECK FUNCTION
1. Select “PUSH SW” in “Data Monitor” mode with CONSULT-III.
2. Check the push-button ignition switch signal under the following condition.
Is the indication normal?
YES >> INSPECTION END
NO >> Go to PCS-63, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003805761
1.CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn ON?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)
1. Turn ignition switch ON.
2. Disconnect push-button ignition switch connector and BCM connector.
3. Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace IPDM E/R. Refer to PCS-34, "
Removal and Installation".
3.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)
1. Disconnect IPDM E/R connector.
2. Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.
3. Check continuity between IPDM E/R harness connector and ground.
Test item Condition Status
PUSH SWPush-button ignition switch is pressed ON
Push-button ignition switch is not pressed OFF
(+)
(–)Voltage (V)
(Approx.) IPDM E/R
Connector Terminal
E10 28 Ground Battery voltage
IPDM E/R Push-button ignition switch
Continuity
Connector Terminal Connector Terminal
E10 28 M101 4 Existed

PCS-64
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
4.CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)
1. Disconnect push-button ignition switch connector and IPDM E/R connector.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace BCM. Refer to BCS-78, "
Removal and Installation".
5.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and push-button ignition switch harness connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace harness.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003805762
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
GroundContinuity
Connector Terminal
E10 28 Not existed
(+)
(–)Voltage (V)
(Approx.) BCM
Connector Terminal
M122 89 Ground Battery voltage
BCM Push-button ignition switch
Continuity
Connector Terminal Connector Terminal
M122 89 M101 4 Existed
BCM
GroundContinuity
Connector Terminal
M122 89 Not existed
Push-button ignition switch
Condition Continuity
Te r m i n a l
14Push-button ignition
switchPressed Existed
Not pressed Not existed