Nissan Cube. Manual - part 815
B26F4 STARTER CONTROL RELAY
SEC-71
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26F4 STARTER CONTROL RELAY
Description
INFOID:0000000009950166
Located in IPDM E/R, the starter relay runs the starter motor. The starter relay is turned ON by the BCM when
the ignition switch is in the START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN
communication.
DTC Logic
INFOID:0000000009950167
DTC DETECTION LOGIC
NOTE:
• If DTC B26F4 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26F4 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON under the following conditions and wait 1 second or more.
-
Selector lever is in the P or N position
-
Do not depress brake pedal
2.
Check “Self-diagnosis result” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009950168
1.
CHECK IPDM E/R INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Turn ignition switch ON.
4.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
NO
>> GO TO 2.
2.
CHECK IPDM E/R INPUT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and IPDM E/R harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26F4
START CONT RELAY
OFF
BCM requests IPDM E/R to turn starter control re-
lay ON but starter control relay ON state signal is
not transmitted from IPDM E/R.
• Harness or connector (Transmis-
sion range switch circuit is open or
short).
• IPDM E/R
• BCM
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E15
47
Ground
Selector lever
P or N position
Battery voltage
Other than above
0