Infiniti F50. Manual — part 278
TROUBLE DIAGNOSIS
BRC-55
C
D
E
G
H
I
J
K
L
M
A
B
BRC
4.
CHECKING VDC/TCS/ABS CONTROL UNIT GROUND CIRCUIT
Check continuity between VDC/TCS/ABS control unit harness con-
nector E218 and body ground .
OK or NG
OK
>> Perform VDC/TCS/ABS control unit self-diagnosis again.
NG
>> Poor installation of VDC/TCS/ABS control unit, or harness malfunction
5.
CHECKING VDC/TCS/ABS CONTROL UNIT POWER SYSTEM (2)
1.
Check fuse 10A.
2.
Disconnect VDC/TCS/ABS control unit connector E218 and positive battery terminal.
3.
Check continuity between battery positive terminal and VDC/
TCS/ABS control unit harness connector E218.
OK or NG
OK
>> Check for non-standard conditions in battery (terminal looseness, low voltage, etc.) And alterna-
tor.
NG
>>
●
Replace fuse 10A.
●
Open or short in harness.
SFIA0809E
VDC/TCS/ABS control unit
(Harness connector E218)
Body ground
Continuity
27 (B)
—
Yes
28 (B)
—
Yes
29 (B)
—
Yes
33 (B)
—
Yes
SFIA0836E
VDC/TCS/ABS control unit
(Harness connector E218)
Positive battery terminal
Continuity
1 (GY)
—
Yes
BRC-56
TROUBLE DIAGNOSIS
Inspection 12 When “SHIFT POSITION ERROR” Appears in Self-Diagnosis
Results Display
EFS001ZN
Inspection Procedure
1.
CHECKING SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
Does “SHIFT POSITION ERROR” appear in self-diagnosis results display?
YES
>> GO TO 2.
NO
>> Inspection is completed.
2.
DATA MONITOR CHECK
1.
Connect CONSULT-II. Start engine.
2.
In “DATA MONITOR” select “ITEM MENU” and then check P position.
OK or NG
OK
>> Perform VDC/TCS/ABS control unit self-diagnosis again.
NG
>> GO TO 3.
3.
CHECKING A/T INHIBITOR SWITCH
Perform A/T inhibitor switch inspection. Refer to
AT-105, "DTC P0705 PARK/NEUTRAL POSITION SWITCH"
.
Do any self-diagnosis items appear?
YES
>> Repair indicated items and perform VDC/TCS/ABS control unit self-diagnosis again.
NO
>> Perform VDC/TCS/ABS control unit self-diagnosis again.
Inspection 13 When “EMERGENCY BRAKE” Appears on Self-Diagnosis Results
Display
EFS001ZO
Inspection Procedure
1.
CHECKING SELF-DIAGNOSIS RESULTS
Check self-diagnosis results.
If anything other than “EMERGENCY BRAKE” appears in self-diagnosis results display, follow the instructions
in the note below.
NOTE:
“EMERGENCY BRAKE” is displayed when a malfunction is detected in the control unit itself. If this display
item appears, replace control unit.
Does “EMERGENCY BRAKE” appear on self-diagnosis results display?
>> Replace VDC/TCS/ABS control unit, and perform self-diagnosis again.
Self-diagnosis results
CONSULT-II display items
Shift position error
Selector lever position
Position
(data monitor)
P position
ON
Other than P position.
OFF
Self-diagnosis results
CONSULT-II display items
Emergency brake
TROUBLE DIAGNOSIS
BRC-57
C
D
E
G
H
I
J
K
L
M
A
B
BRC
Inspection 14 When “STEERING ANGLE SENSOR HAS NOT BEEN COR-
RECTED” Appears on Self-Diagnosis Results Display
EFS001ZP
Inspection Procedure
1.
CHECKING SELF-DIAGNOSIS RESULTS (1)
Check self-diagnosis results.
Does anything besides “STEERING ANGLE SENSOR HAS NOT BEEN CORRECTED” appear on self-diag-
nosis results display?
YES
>> Inspect and repair indicated items. Then perform self-diagnosis again.
NO
>> Perform adjustment of steering angle sensor neutral position. Then GO TO 2.
2.
CHECKING SELF-DIAGNOSIS RESULTS (2)
1.
Turn ignition switch OFF, and ON to erase self-diagnosis results, and perform VDC/TCS/ABS control unit
self-diagnosis again.
Does anything appear on self-diagnosis results display?
YES
>> Replace steering angle sensor. Then perform adjustment of neutral position and perform self-
diagnosis again.
NO
>> Inspection is completed.
Inspection 15 Brake Fluid Level in Reservoir Tank, Communication Circuit
Between VDC/TCS/ABS Control Unit and Brake Fluid Level Sensor
EFS001ZQ
Inspection Procedure
1.
CHECKING SELF-DIAGNOSIS RESULTS (1)
Check self-diagnosis results.
Does brake warning lamp turn on?
YES
>> Check pad for wear. Check brake fluid for leakage.
NO
>> GO TO 2.
2.
CHECKING SELF-DIAGNOSIS RESULTS (2)
1.
Disconnect brake fluid level switch connector E74 and VDC/TCS/ABS control unit connector E218.
2.
Reconnect connectors securely, then perform VDC/TCS/ABS control unit self-diagnosis again.
Does anything appear on self-diagnosis results display?
YES
>> Poor connector connections. Repair or replace connectors.
NO
>> GO TO 3.
Self-diagnosis results
CONSULT-II display items
Steering angle sensor has not been corrected.
Self-diagnosis results
CONSULT-II display items
Brake fluid level switch
SFIA0230E
BRC-58
TROUBLE DIAGNOSIS
3.
CHECKING CIRCUIT BETWEEN BRAKE FLUID LEVEL SENSOR AND VDC/TCS/ABS CONTROL
UNIT
1.
Disconnect brake fluid level switch connector E74 and VDC/TCS/ABS control unit connector E218.
2.
Check continuity between brake fluid level sensor harness con-
nector E74 and VDC/TCS/ABS control unit harness connector
E218.
3.
Check continuity between VDC/TCS/ABS control unit harness
connector E218 and body ground.
OK or NG
OK
>> Perform VDC/TCS/ABS control unit self-diagnosis
again.
NG
>> Open or short in harness. Repair or replace suspect har-
ness.
Inspection 16 CAN Communications Lines, VDC/TCS/ABS Control Unit and
Steering Angle Sensor System
EFS001ZR
Inspection Procedure
1.
CHECKING SELF-DIAGNOSIS RESULTS (1)
Check self-diagnosis results.
Do self-diagnosis results indicate anything other than the above?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECKING CONNECTORS AND HARNESS BETWEEN VDC/TCS/ABS CONTROL UNIT AND
STEERING ANGLE SENSOR
1.
Disconnect battery negative terminal.
2.
Turn ignition switch OFF.
3.
Disconnect VDC/TCS/ABS control unit connector E218 and steering angle sensor connector M52.
4.
Check for open circuit and short circuits in harness between VDC/TCS/ABS control unit harness connec-
tor E218 and steering angle sensor harness connector M52.
OK or NG
OK
>> GO TO 3.
NG
>> Harness connector malfunction. Repair or replace.
VDC/TCS/ABS control unit
(Harness connector E218)
Brake fluid level switch
(Harness connector E74)
Continuity
40 (Y)
1 (Y)
Yes
VDC/TCS/ABS control unit
(Harness connector E218)
Body ground
Continuity
40 (Y)
—
No
SFIA1001E
SFIA0868E
Self-diagnosis results
CONSULT-II display items
CAN communication system
Steering angle sensor communication line
SFIA0935E
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