Nissan Juke Service and Repair Manual : B26F9 cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE
:
• If DTC B26F9 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B26F9 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to EC-366, "DTC Logic" (MR16DDT) or EC-725, "DTC Logic" (HR16DE).
2. Turn ignition switch ON.
3. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected? YES >> Go to SEC-128, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK CRANKING REQUEST SIGNAL
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector and ground under the following conditions.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK CRANKING REQUEST SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Disconnect ECM connector.
4. Check continuity between BCM harness connector and ECM harness connector.
5. Check continuity between BCM harness connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness.
3.REPLACE BCM
1. Replace BCM. Refer to BCS-93, "Removal and Installation".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B26F9. Refer to SEC-128, "DTC Logic".
Is DTC detected? YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE ECM
Replace ECM.
Refer to EC-447, "Removal and Installation" (MR16DDT) or EC-805, "Removal and Installation" (HR16DE).
>> INSPECTION END
B26F8 BCM
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC B26F8 can be detected even though the related circuit is not used in this
vehicle.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. ...
B26FA cranking request circuit
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26FA is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B26FA is disp ...
Other materials:
Can communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspectio ...
P0744 torque converter
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE OPERATION 1
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition
switch OFF and wait for at
least 10 seconds, then perform the next test.
...
Component parts
Component Parts Location
ENGINE ROOM COMPARTMENT
Top View
1. Priming pump
2. Turbocharger boost control solenoid
valve
3. Cooling fan motor
4. Refrigerant pressure sensor
5. IPDM E/R
6. ECM
7. Mass air flow sensor (with intake air
temperature sensor)
8. Electric throttle control act ...