2008 NISSAN TEANA relay

PCS
B2614 ACC RELAY
PCS-53
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
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B2614 ACC RELAY
DescriptionINFOID:0000000003805740
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:0000000003805741
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the power supply position to ACC 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-53, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000003805742
1.CHECK ACCESSORY RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect accessory relay.
3. Check voltage between accessory relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK ACCESSORY RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between accessory relay harness connector and BCM harness connector.
4. Check continuity between accessory relay harness connector and ground.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
B2614 ACC relayAn immediate operation of ACC relay is requested
by BCM, but there is no response for more than 1
second. Harness or connectors
(ACC relay circuit is open or short-
ed)
 ACC relay
(+)
(–) ConditionVoltage (V)
(Approx.) Accessory relay
Te r m i n a l
1 Ground Ignition switchOFF 0
ACC Battery voltage
Accessory relay BCM
Continuity
Terminal Connector Terminal
1 M122 95 Existed

PCS-54
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
B2614 ACC RELAY
Is the inspection result normal?
YES >> Replace BCM. Refer to PCS-126, "Removal and Installation".
NO >> Repair or replace harness.
3.CHECK ACCESSORY RELAY GROUND CIRCUIT
Check continuity between accessory relay harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair accessory relay ground circuit.
4.CHECK ACCESSORY RELAY
Refer to PCS-54, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace accessory relay.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-35, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000003805743
1.CHECK ACCESSORY RELAY
1. Turn ignition switch OFF.
2. Remove accessory relay.
3. Check the continuity between accessory relay terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace accessory relay.
Accessory relay
GroundContinuity
Te r m i n a l
1Not existed
Accessory 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
B2615 BLOWER RELAY CIRCUIT
PCS-55
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
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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
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
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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
< COMPONENT DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
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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
BCM (BODY CONTROL MODULE)
PCS-75
< ECU DIAGNOSIS >[POWER DISTRIBUTION SYSTEM]
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REQ SW -RRNOTE:
The item is indicated, but not monitored. Off
REQ SW -RRNOTE:
The item is indicated, but not monitored. Off
REQ SW -BD/TRTrunk lid opener request switch is not pressed Off
Trunk lid opener request switch is pressed On
PUSH SWPush-button ignition switch (push switch) is not pressed Off
Push-button ignition switch (push switch) is pressed On
IGN RLY2 -F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
CLUCH SWNOTE:
The item is indicated, but not monitored. Off
BRAKE SW 1The brake pedal is not depressed On
The brake pedal is depressed Off
DETE/CANCL SWSelector lever in P position Off
Selector lever in any position other than P On
SFT PN/N SWSelector lever in any position other than P and N Off
Selector lever in P or N position On
S/L -LOCKSteering is locked Off
Steering is unlocked On
S/L -UNLOCKSteering is unlocked Off
Steering is locked On
S/L RELAY-F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
UNLK SEN -DRDriver door is unlocked Off
Driver door is locked On
PUSH SW -IPDMPush-button ignition switch (push-switch) is not pressed Off
Push-button ignition switch (push-switch) is pressed On
IGN RLY1 -F/BIgnition switch in OFF or ACC position Off
Ignition switch in ON position On
DETE SW -IPDMSelector lever in P position Off
Selector lever in any position other than P On
SFT PN -IPDMSelector lever in any position other than P and N Off
Selector lever in P or N position On
SFT P -METSelector lever in any position other than P Off
Selector lever in P position On
SFT N -METSelector lever in any position other than N Off
Selector lever in N position On
ENGINE STATEEngine stopped Stop
While the engine stalls Stall
At engine cranking Crank
Engine running Run
S/L LOCK-IPDMSteering is locked Off
Steering is unlocked On Monitor Item Condition Value/Status