Infiniti F50. Manual — part 196
POWER DOOR LOCK SYSTEM
BL-31
C
D
E
F
G
H
J
K
L
M
A
B
BL
(
): Wire color for rear RH/LH door control unit.
Work Flow
EIS00134
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
Perform the preliminary check. Refer to
4.
Perform the communication inspection. If CONSULT-II is used, refer to
section. If CONSULT-II is not used, refer to
BL-38, "COMMUNICATION DIAGNOSIS"
. Is
the communication diagnosis result OK?
OK: GO TO step 7.
NG: GO TO step 5
5.
Repair or replace depending on the diagnosis result.
6.
Perform the communication diagnosis again. If CONSULT-II is used, refer to
. If CONSULT-II is not used, refer to
BL-38, "COMMUNICATION DIAGNOSIS"
communication diagnosis result OK?
OK: GO TO step 7.
NG: GO TO step 5.
7.
Perform the self-diagnosis. If CONSULT-II is used, refer to
BL-35, "IVMS COMMUNICATION INSPEC-
. If CONSULT-II is not used, refer to
BL-38, "COMMUNICATION DIAGNOSIS"
. Is self-diagnosis
result OK?
OK: GO TO step 11.
NG: GO TO step 8.
8.
Repair or replace depending on the diagnosis result.
9.
Perform the self-diagnosis again. If CONSULT-II is used, refer to
BL-37, "SELF-DIAGNOSIS RESULTS"
,
If CONSULT-II is not used, refer to
BL-42, "POWER DOOR LOCK SYSTEM SELF-DIAGNOSIS"
. Is self-
diagnosis result OK?
OK: GO TO step 11.
NG: GO TO step 8.
10. Referring to trouble diagnosis chart, repair or replace the cause of the incident.
Refer to
11. Does power door lock system operate normally?
YES: GO TO step 12.
NO: GO TO step 10.
12. Inspection END.
Preliminary Check
EIS00135
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1.
FUSE INSPECTION
Check if any of the following fuses are blown.
Refer to
BL-22, "Wiring Diagram – D/LOCK –"
Refer to
BL-22, "Wiring Diagram – D/LOCK –"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to
Unit
Power source
Fuse No.
BCM
Battery power supply
3 (10A)
IGN power supply
1 (10A)
Unit
Power source
Fusible link location
Driver door control unit
Passenger door control unit
Rear LH door control unit
Rear RH door control unit
Battery power supply
H (40A)
BL-32
POWER DOOR LOCK SYSTEM
2.
POWER SUPPLY CIRCUIT INSPECTION
Remove the connectors for BCM and driver door LCU or passenger,
rear LH, RH door control units, measure the voltage between the fol-
lowing terminals of connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short.
Unit
Terminals
(wire color)
Ignition
switch
condition
Voltage (V)
Approx.
Connector
(+)
(–)
BCM (M4)
105 (Y/L)
Ground
OFF
Battery voltage
68 (W/B)
ON
Driver door control unit
(D8)
14 (Y/G)
OFF
Passenger door control
unit (D39)
6 (W/R)
OFF
Rear LH door control unit
(D59)
6 (Y/B)
Rear RH door control
unit (D79)
6 (Y/B)
PIIA4454E
POWER DOOR LOCK SYSTEM
BL-33
C
D
E
F
G
H
J
K
L
M
A
B
BL
3.
GROUND CIRCUIT INSPECTION
Check the continuity between the following terminals connector for
BCM, driver door LCU, passenger or rear RH, LH door control units
and ground.
OK or NG
OK
>> Power supply and ground circuit is OK.
NG
>> Repair or replace harness.
CONSULT-II Function
EIS00136
CONSULT-II executes the following functions by combining data reception and command transmission via the
communication line from BCM. IVMS communication inspection, work support (only function setting of seats
and steering wheel), self-diagnosis, data monitor, and active test display.
DIAGNOSTIC ITEMS DESCRIPTION
Unit
Terminal
(wire color)
Continuity
Connector
(+)
(–)
BCM (M4)
56 (B)
Ground
Continuity should exist
113 (B)
Driver door control unit
(D8)
15 (B)
Passenger door control
unit (D39)
7 (B)
Rear LH door control unit
(D59)
Rear RH door control unit
(D79)
PIIA4473E
IVMS diagnosis
position
Diagnosis mode
Description
IVMS-
COMM CHECK
IVMS-
COMM DIAGNOSIS
Diagnosis of continuity in the communication line(s), and of the function of the
IVMS-communication interface between the body control module and the
local control units, accomplished by transmitting a signal from the body con-
trol module to the local control units.
WAKE-UP DIAGNOSIS
Diagnosis of the“ wake-up” function of local control units by having a techni-
cian input the switch data into the local control unit that is in the temporary
“sleep” condition.
BL-34
POWER DOOR LOCK SYSTEM
CONSULT-II BASIC OPERATION PROCEDURE
1.
With the ignition switch OFF, connect “CONSULT-II” and “CON-
SULT-II CONVERTER” to the data link connector, and turn the
ignition switch ON.
2.
Touch "START (NISSAN BASED VHCL)".
3.
Touch "IVMS".
If “IVMS” is not indicated, go to
Each system
inspection
Work support
Changes the setting for each function.
Self-diagnosis results
Carries out self-diagnosis.
Data monitor
Displays data relative to the body control module (BCM) input signals and var-
ious control related data for each system.
Active test
Turns on/off actuators, relay and according to the commands transmitted by
the CONSULT-II unit.
BCM PART NUMBER
Displays BCM part No.
IVMS diagnosis
position
Diagnosis mode
Description
SHIA0179E
MBIB0233E
PIIA0183E
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