Infiniti EX35. Manual — part 1300
SEC-96
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B261E VEHICLE TYPE
B261E VEHICLE TYPE
Description
INFOID:0000000003586603
There are two types of vehicle.
• HEV
• Conventional
DTC Logic
INFOID:0000000003586604
DTC DETECTION LOGIC
NOTE:
• If DTC B261E is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B261E 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.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586605
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is the 1st trip DTC B261E displayed again?
YES
>> Replace BCM. Refer to
BCS-84, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B261E
VEHICLE TYPE
Difference of BCM configuration
BCM
B2108 STEERING LOCK RELAY
SEC-97
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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B2108 STEERING LOCK RELAY
Description
INFOID:0000000003586606
The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.
DTC Logic
INFOID:0000000003586607
DTC DETECTION LOGIC
NOTE:
If DTC B2108 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586608
1.
CHECK STEERING LOCK RELAY
Check voltage between IPDM E/R harness connector and ground.
Is the inspection normal?
YES
>> GO TO 2.
NO
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
.
2.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2108
STRG LCK RELAY ON
IPDM E/R detects that the relay is stuck at ON posi-
tion for about 1 second even if the IPDM E/R re-
ceives steering lock relay ON/OFF signal from BCM.
IPDM E/R
(+)
(–)
Condition
Voltage (V)
(Approx.)
IPDM E/R
Connector
Terminal
E5
11
Ground
Ignition switch
OFF
A few seconds after
opening the driver door
Battery voltage
Ignition switch
LOCK
Press the push-button
ignition switch
Battery voltage
Ignition switch ACC or ON
0
SEC-98
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B2109 STEERING LOCK RELAY
B2109 STEERING LOCK RELAY
Description
INFOID:0000000003586609
The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.
DTC Logic
INFOID:0000000003586610
DTC DETECTION LOGIC
NOTE:
• If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B2109 may be
detected.
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586611
1.
CHECK POWER SUPPLY CIRCUIT
Check IPDM E/R power supply circuit. Refer to
SEC-112, "IPDM E/R : Diagnosis Procedure"
.
Is the circuit normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning part.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10A fuse (No. 48, located in IPDM E/R).
Is the inspection normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
NO
>>
Check the following.
• Harness for open or short between IPDM E/R and battery
• Fuse
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2109
STRG LCK RELAY
OFF
IPDM E/R detects that the relay is stuck at OFF po-
sition for about 1 second even if the IPDM E/R re-
ceives steering lock relay ON/OFF signal from
BCM.
• Harness or connector (power sup-
ply circuit)
• IPDM E/R
• Battery
B210A STEERING LOCK CONDITION SWITCH
SEC-99
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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B210A STEERING LOCK CONDITION SWITCH
Description
INFOID:0000000003586612
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches conditions to judge the
present steering status and transmit the result to BCM via CAN communication.
DTC Logic
INFOID:0000000003586613
DTC DETECTION LOGIC
NOTE:
If DTC B210A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
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
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF.
3.
Press driver side door switch and wait for at least 1 second.
4.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003586614
1.
INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected after ignition switch is changed from OFF to ON
• Case2: It is detected after ignition switch is changed from ON to OFF and door switch is pressed
In which case is DTC detected?
Case1 >> GO TO 2.
Case2 >> GO TO 6.
2.
CHECK BCM OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect steering lock unit connector and IPDM E/R connector E5.
3.
Check voltage between steering lock unit harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B210A
STRG LCK STATE
SW
IPDM E/R detects the mismatch between steering
condition switches 1 and 2 for 1 second
• Harness or connectors
[steering lock unit circuit (BCM
side) is open or shorted]
• Harness or connectors
[steering lock unit circuit (IPDM E/
R side) is open or shorted.]
• Steering lock unit
• IPDM E/R
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