Nissan Altima L32. Instruction — part 971
MWI-136
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
AWMIA0293GB
MWI
BCM (BODY CONTROL MODULE)
MWI-137
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Fail Safe
INFOID:0000000004495957
ABMIA0470GB
Display contents of CONSULT
Fail-safe
Cancellation
B2013: ID DISCORD BCM-S/L
Inhibit engine cranking
Erase DTC
B2014: CHAIN OF S/L-BCM
Inhibit engine cranking
Erase DTC
B2190: NATS ANTENNA AMP
Inhibit engine cranking
Erase DTC
MWI-138
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
B2191: DIFFERENCE OF KEY
Inhibit engine cranking
Erase DTC
B2192: ID DISCORD BCM-ECM
Inhibit engine cranking
Erase DTC
B2193: CHAIN OF BCM-ECM
Inhibit engine cranking
Erase DTC
B2195: ANTI-SCANNING
Inhibit engine cranking
Erase DTC
B2557: VEHICLE SPEED
Inhibit electronic steering
column lock
When normal vehicle speed signals have been received from ABS
actuator and electric unit (control unit) for 500 ms
B2560: STARTER CONT RELAY
Inhibit engine cranking
500 ms after the following CAN signal communication status has
become consistent
• Starter control relay signal
• Starter relay status signal
B2562: LO VOLTAGE
• Inhibit engine cranking
• Inhibit electronic steering
column lock
100 ms after the power supply voltage increases to more than 8.8 V
B2601: SHIFT POSITION
Inhibit electronic steering
column lock
500 ms after the following signal reception status becomes consis-
tent
• Selector lever P position switch signal
• P range signal (CAN)
B2602: SHIFT POSITION
Inhibit electronic steering
column lock
5 seconds after the following BCM recognition conditions are ful-
filled
• Ignition switch is in the ON position
• Selector lever P position switch signal: Except P position (battery
voltage)
• Vehicle speed: 4 /h or more
B2603: SHIFT POSI STATUS
Inhibit electronic steering
column lock
500 ms after the following BCM recognition conditions are fulfilled
• Ignition switch is in the ON position
• Selector lever P position switch signal: Except P position (battery
voltage)
• Selector lever P/N position signal: Except P and N positions (0 V)
B2604: PNP SW
Inhibit electronic steering
column lock
500 ms after any of the following BCM recognition conditions is ful-
filled
• Status 1
- Ignition switch is in the ON position
- Selector lever P/N position signal: P and N position (battery volt-
age)
- P range signal or N range signal (CAN): ON
• Status 2
- Ignition switch is in the ON position
- Selector lever P/N position signal: Except P and N positions (0 V)
- P range signal and N range signal (CAN): OFF
B2605: PNP SW
Inhibit electronic steering
column lock
500 ms after any of the following BCM recognition conditions is ful-
filled
• Ignition switch is in the ON position
- Power position: IGN
- Selector lever P/N position signal: Except P and N positions (0 V)
- Interlock/PNP switch signal (CAN): OFF
• Status 2
- Ignition switch is in the ON position
- Selector lever P/N position signal: P or N position (battery volt-
age)
- PNP switch signal (CAN): ON
B2606: S/L RELAY
Inhibit engine cranking
500 ms after the following CAN signal communication status has
become consistent
• Electronic steering column lock relay signal (Request signal)
• Electronic steering column lock relay signal (Condition signal)
B2607: S/L RELAY
Inhibit engine cranking
500 ms after the following CAN signal communication status has
become consistent
• Electronic steering column lock relay signal (Request signal)
• Electronic steering column lock relay signal (Condition signal)
Display contents of CONSULT
Fail-safe
Cancellation
MWI
BCM (BODY CONTROL MODULE)
MWI-139
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
DTC Inspection Priority Chart
INFOID:0000000004495958
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
B2608: STARTER RELAY
Inhibit engine cranking
500 ms after the following signal communication status becomes
consistent
• Starter motor relay control signal
• Starter relay status signal (CAN)
B2609: S/L STATUS
• Inhibit engine cranking
• Inhibit electronic steering
column lock
When the following electronic steering column lock conditions
agree
• BCM electronic steering column lock control status
• Electronic steering column lock condition No. 1 signal status
• Electronic steering column lock condition No. 2 signal status
B260A: IGNITION RELAY
Inhibit engine cranking
500 ms after the following conditions are fulfilled
• IGN relay (IPDM E/R) control signal: OFF (Battery voltage)
• Ignition ON signal (CAN to IPDM E/R): OFF (Request signal)
• Ignition ON signal (CAN from IPDM E/R): OFF (Condition signal)
B260F: ENG STATE SIG LOST
Maintains the power supply
position attained at the time
of DTC detection
When any of the following conditions is fulfilled
• Power position changes to ACC
• Receives engine status signal (CAN)
B2612: S/L STATUS
• Inhibit engine cranking
• Inhibit electronic steering
column lock
When any of the following conditions is fulfilled
• Electronic steering column lock unit status signal (CAN) is re-
ceived normally
• The BCM electronic steering column lock control status matches
the electronic steering column lock status recognized by the
electronic steering column lock unit status signal (CAN from
IPDM E/R)
B2617: STARTER RELAY CIRC
Inhibit engine cranking
1 second after the starter motor relay control inside BCM becomes
normal
B2618: BCM
Inhibit engine cranking
1 second after the ignition relay (IPDM E/R) control inside BCM be-
comes normal
B2619: BCM
Inhibit engine cranking
1 second after the electronic steering column lock unit power sup-
ply output control inside BCM becomes normal
B26E1: ENG STATE NO RECIV
Inhibit engine cranking
When any of the following conditions is fulfilled
• Power position changes to ACC
• Receives engine status signal (CAN)
Display contents of CONSULT
Fail-safe
Cancellation
Priority
DTC
1
• B2562: LOW VOLTAGE
2
• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
3
• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
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