2005 NISSAN NAVARA Repair Workshop Manual

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Page 849 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual TROUBLE DIAGNOSIS
BRC-27
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
2.CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E63 check
terminal for de

Page 850 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual BRC-28
[ABS]
TROUBLE DIAGNOSIS
Inspection 4 CAN Communication Circuit
EFS005U2
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control

Page 851 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual TROUBLE DIAGNOSIS
BRC-29
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF and disconnect ABS actuator and electri

Page 852 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual BRC-30
[ABS]
TROUBLE DIAGNOSIS
Inspection 6 Brake Fluid Level Switch Circuit
EFS005U5
INSPECTION PROCEDURE
1.CHECK BRAKE FLUID LEVEL SWITCH
1. Turn ignition switch OFF and disconnect brake fluid level

Page 853 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual TROUBLE DIAGNOSIS
BRC-31
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
2.CHECK HARNESS
1. Turn ignition switch OFF and disconnect combination meter con-
nector M23.
2. Check continuity between brake fluid level sw

Page 854 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual BRC-32
[ABS]
TROUBLE DIAGNOSIS
Inspection 7 Parking Brake Switch Circuit
EFS005U6
INSPECTION PROCEDURE
1.CHECK PARKING BRAKE SWITCH
1. Turn ignition switch OFF and disconnect parking brake switch
conn

Page 855 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual TROUBLE DIAGNOSIS
BRC-33
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
Inspection 8 Warning lamp systemEFS005U7
INSPECTION PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis of ABS actuator and elect

Page 856 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual BRC-34
[ABS]
TROUBLE DIAGNOSIS
4.CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
OK or NG
OK >> Normal
NG >> Pe

BRC-34
[ABS]
TROUBLE DIAGNOSIS
4.CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
OK or NG
OK >> Normal
NG >> Perform self-diagnosis. Refer toBRC-18, "
Self-Diagnosis".
Symptom 2: Unexpected Pedal ReactionEFS005U9
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer toBR-6, "
Inspection and Adjustment".
Is the stroke too big?
YES >>lBleed air from brake piping. Refer toBR-11, "Bleeding Brake System".
lCheck brake pedal, brake booster, and master cylinder for mount play, looseness, brake sys-
tem fluid leakage, etc. Repair if necessary. Refer to Brake pedal:BR-8, "
COMPONENTS",
brake booster and master cylinder:BR-20, "
COMPONENTS".
NO >> GO TO 2.
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is
normal in this condition. Connect connector after inspection.
OK or NG
OK >> GO TO procedure 3 “CHECK WHEEL SENSOR AND SENSOR ROTOR” of symptom 1. Refer to
BRC-33, "
Symptom 1: Excessive ABS Function Operation Frequency".
NG >> Check the following system. If any malfunction is found, repair or replace malfunctioning parts.
lBrake booster. Refer toBR-19, "BRAKE BOOSTER".
lHydraulic line. Refer toBR-12, "BRAKE TUBE AND HOSE".
lFront brake caliper. Refer toBR-24, "FRONT DISC BRAKE".
lRear wheel cylinder. Refer toBR-30, "REAR DRUM BRAKE".
Symptom 3: The Stopping Distance Is LongEFS005UA
CAUTION:
The stopping distance on slippery road surfaces might be longer with the ABS operating than when
the ABS is not operating.
1.CHECK FUNCTION
Turn ignition switch OFF. Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
In this condition, check stopping distance. After inspection, connect connector.
OK or NG
OK >> GO TO procedure 3 “CHECK WHEEL SENSOR AND SENSOR ROTOR” of symptom 1. Refer to
BRC-33, "
Symptom 1: Excessive ABS Function Operation Frequency".
NG >>
lBleed air from the brake piping. Refer toBR-11, "Bleeding Brake System".
lCheck the following system. If any malfunction is found, repair or replace malfunctioning parts.
–Brake booster. Refer toBR-19, "BRAKE BOOSTER".
–Hydraulic line. Refer toBR-12, "BRAKE TUBE AND HOSE".
–Front brake caliper. Refer toBR-24, "FRONT DISC BRAKE".
–Rear wheel cylinder. Refer toBR-30, "REAR DRUM BRAKE".

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