2005 NISSAN NAVARA Repair Workshop Manual

Page 2449 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-62
TROUBLE DIAGNOSIS
7.CHECK PBR FEEDBACK SIGNAL
1. Reconnect the front air control connector and mode door motor
connector.
2. Turn ignition switch ON.
3. Check voltage between front air control

Page 2450 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-63
C
D
E
F
G
H
I
K
L
MA
B
MTC
Air Mix Door Motor CircuitEJS005GF
SYMPTOM:
lDischarge air temperature does not change.
lAir mix door motor does not operate.
INSPECTION FLOW
*1MTC-

Page 2451 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-64
TROUBLE DIAGNOSIS
SYSTEM DESCRIPTION
Component Parts
Air mix door control system components are:
lFront air control
lAir mix door motors (Front and rear)
lPBR (built-into air mix motors)
System

Page 2452 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-65
C
D
E
F
G
H
I
K
L
MA
B
MTC
3.CHECK POWER SUPPLY CIRCUITS FOR AIR MIX DOOR MOTOR (FRONT)
1. Turn ignition switch OFF.
2. Disconnect front air control connector and air mix door

Page 2453 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-66
TROUBLE DIAGNOSIS
5.CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN AIR MIX DOOR MOTOR (FRONT) AND
FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect the front air control connector.
3. C

Page 2454 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-67
C
D
E
F
G
H
I
K
L
MA
B
MTC
7.CHECK PBR FEEDBACK SIGNAL
1. Turn ignition switch OFF.
2. Reconnect the front air control connector and air mix door motor
(Front) connector.
3. C

Page 2455 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-68
TROUBLE DIAGNOSIS
Intake Door Motor Circuit
EJS005GG
SYMPTOM:
lIntake door does not change.
lIntake door motor does not operate normally.
INSPECTION FLOW
*1MTC-53, "Operational Check".*2MTC-51,

Page 2456 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-69
C
D
E
F
G
H
I
K
L
MA
B
MTC
SYSTEM DESCRIPTION
Component Parts
Intake door control system components are:
lFront air control
lIntake door motor
System Operation
The intake door