Nissan Maxima. Manual — part 1059
B2605 TRANSMISSION RANGE SWITCH
SEC-61
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2605 TRANSMISSION RANGE SWITCH
Description
INFOID:0000000010051972
BCM confirms the shift position with the following 4 signals.
• CVT selector lever
• Transmission range switch
• P position signal from IPDM E/R (CAN)
• P position signal from TCM (CAN)
DTC Logic
INFOID:0000000010051973
DTC DETECTION LOGIC
NOTE:
• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2605 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 for at least 1 second.
-
CVT selector lever is in the P or N position
-
Do not depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051974
Regarding Wiring Diagram information, refer to
.
1.
CHECK DTC WITH IPDM E/R
Check “Self diagnostic result” with CONSULT. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair or replace malfunctioning parts.
2.
CHECK TRANSMISSION RANGE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM harness connector and BCM harness connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2605
TRANSMISSION
RANGE SWITCH
BCM detects the following status for 500 ms or
more when the ignition switch is in ON position
• N position input signal exists. Shift position signal
from IPDM E/R does not exist.
• N position input signal does not exist. Shift posi-
tion signal from IPDM E/R exists.
• Harness or connectors
[The transmission range switch cir-
cuit is open or shorted.]
• Transmission range switch
• IPDM E/R
SEC-62
< DTC/CIRCUIT DIAGNOSIS >
B2605 TRANSMISSION RANGE SWITCH
3. Check continuity between TCM connector F15 (A) terminal 20
and BCM harness connector M18 (B) terminal 48.
4. Check continuity between TCM harness connector F15 (A) ter-
minal 20 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
>> Inspection End.
TCM
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: F15
20
B: M18
48
Yes
TCM
Ground
Continuity
Connector
Terminal
A: F15
20
Ground
No
ALKIA1317ZZ
B2608 STARTER RELAY
SEC-63
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2608 STARTER RELAY
Description
INFOID:0000000010051975
Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition
switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.
DTC Logic
INFOID:0000000010051976
DTC DETECTION LOGIC
NOTE:
• If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2608 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch under the following conditions.
-
CVT selector lever is in the P or N position.
-
Depress the brake pedal.
2. Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010051977
Regarding Wiring Diagram information, refer to
.
1.
CHECK STARTER RELAY
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector and ground
under the following condition.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2608
STARTER RELAY
BCM receives starter relay ON signal (CAN) from
IPDM E/R even if BCM turns the starter relay OFF
• Harness or connectors
(starter relay circuit is open or
shorted.)
• IPDM E/R
ALKIA0452ZZ
SEC-64
< DTC/CIRCUIT DIAGNOSIS >
B2608 STARTER RELAY
Is the measurement value within the specification?
YES
>> GO TO 3
NO
>> GO TO 2
2.
CHECK STARTER RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM harness connector M21 and IPDM E/R harness connector E17.
3. Check continuity between IPDM E/R harness connector E17 (A)
terminal 46 and BCM harness connector M21 (B) terminal 132.
4. Check continuity between IPDM E/R harness connector E17 (A)
terminal 46 and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-35, "Removal and Installation"
NO
>> Repair harness or connector.
3.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
>> Inspection End.
BCM
Ground
Condition
Voltage (V)
Connector
Terminal
M21
132
Ground
CVT selector lever
N or P position
Battery voltage
Other than above
0
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
A: E17
46
B: M21
132
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
A: E17
46
Ground
No
ALKIA1318ZZ
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