2007 NISSAN TIIDA Service Repair Manual

Page 3473 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-140
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
INTAKE SENSOR
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between intake sensor har

Page 3474 of 5883

NISSAN TIIDA 2007  Service Repair Manual INTAKE SENSOR
HAC-141
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
After disconnecting intake sensor connector M42, measure resis-
tance between terminals

Page 3475 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-142
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
PTC HEATER CONTROL SYSTEM
PTC HEATER (300 WATT)
PTC HEATER (300 WATT) : PTC Heater System DescriptionINFOID:0

Page 3476 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-143
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
PTC HEATER (300 WATT) : PTC Heater Component DescriptionINFOID:0000000001682

Page 3477 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-144
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
The ambient sensor is attached on the radiator core support upper. It
detects ambient temperature and convert

Page 3478 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-145
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
NO >> GO TO 4.
4.CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-1 AND PTC CONTRO

Page 3479 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-146
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
NO >> Repair harness or connector.
8.CHECK GROUND CIRCUIT FOR PTC CONTROL UNIT 
1. Turn ignition switch OFF.

Page 3480 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-147
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
Check full hot switch. Refer to HAC-151, "PTC HEATER (300 WATT) : PTC Heater