2005 NISSAN NAVARA Repair Workshop Manual

Page 2457 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-70
TROUBLE DIAGNOSIS
3.CHECK POWER SUPPLY CIRCUIT FOR INTAKE DOOR MOTOR
1. Turn ignition switch OFF.
2. Disconnect front air control connector and intake door motor
connector.
3. Check continuity

Page 2458 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-71
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L
MA
B
MTC
Blower Motor CircuitEJS005GI
SYMPTOM:
lBlower motor operation is malfunctioning.
lBlower motor operation is malfunctioning under cold starting condi

Page 2459 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-72
TROUBLE DIAGNOSIS
SYSTEM DESCRIPTION
Component Parts
lFront air control
lBlower switch
lBlower motor resistor
lBlower motor
lBlower motor relay
System Operation
Blower Speed Control Specificati

Page 2460 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-73
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B
MTC
DIAGNOSTIC PROCEDURE FOR BLOWER MOTOR
SYMPTOM: Blower motor operation is malfunctioning.
1.DIAGNOSTIC PROCEDURE
Turntheblowerswitchtoeachofitsfoursp

Page 2461 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-74
TROUBLE DIAGNOSIS
4.CHECK BLOWER MOTOR RELAY
Refer toMTC-77, "
Blower Motor Relay".
OK or NG
OK >> GO TO 5.
NG >> Replace blower motor relay.
5.CHECK BLOWER MOTOR POWER FROM RELAY TO BLOWER MOT

Page 2462 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-75
C
D
E
F
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MA
B
MTC
9.CHECK BLOWER MOTOR POWER SUPPLY CIRCUIT FOR SHORT
1. Disconnect blower motor harness connector.
2. Check continuity between blower motor harness c

Page 2463 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual MTC-76
TROUBLE DIAGNOSIS
14.CHECK BLOWER SWITCH CIRCUIT
1. Reconnect blower motor resistor harness connector.
2. Check voltage between blower switch connector M59 terminals
2, 3, and 7 and ground.
OK

Page 2464 of 3171

NISSAN NAVARA 2005  Repair Workshop Manual TROUBLE DIAGNOSIS
MTC-77
C
D
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MA
B
MTC
COMPONENT INSPECTION
Blower Motor Relay
Check continuity between terminals by supplying 12 volts and
ground to coil side terminals of relay.
Blower