2004 INFINITI QX56 Factory Service Manual

Page 1057 of 3371

INFINITI QX56 2004  Factory Service Manual BRC-44
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: August 20072004 QX56
3. CHECKING SOLENOID POWER AND GROUND
1. Check voltage between ABS actuator and electric unit (control
u

Page 1058 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-45
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: August 20072004 QX56
3. CHECKING ABS MOTOR AND MOTOR RELAY POWER SYSTEM
1. Check voltage between A

Page 1059 of 3371

INFINITI QX56 2004  Factory Service Manual BRC-46
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: August 20072004 QX56
3. STOP LAMP SWITCH INSPECTION
Check the voltage between the ABS actuator and electric unit (con-
trol u

Page 1060 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-47
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: August 20072004 QX56
3. ABS/TCS/VDC CONTROL UNIT POWER AND GROUND CIRCUIT INSPECTION
Measure the v

Page 1061 of 3371

INFINITI QX56 2004  Factory Service Manual BRC-48
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: August 20072004 QX56
4. CHECK BRAKE FLUID LEVEL SWITCH
Check continuity between brake fluid level switch terminals + and -.
O

Page 1062 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-49
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: August 20072004 QX56
3. ACTIVE BOOSTER CIRCUIT INSPECTION
1. Measure the continuity between the AB

Page 1063 of 3371

INFINITI QX56 2004  Factory Service Manual BRC-50
[VDC/TCS/ABS]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: August 20072004 QX56
2. CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the delta stroke sensor connector

Page 1064 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
BRC-51
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Revision: August 20072004 QX56
Pressure Sensor System InspectionEF S0 03 RA
FRONT PRESSURE INSPECTION PROCED