2007 NISSAN TIIDA Service Repair Manual

Page 3369 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-36
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
NO >> GO TO 4.
4.CHECK CIRCUIT CONTINUITY BETWEEN PTC RELAY-1 AND PTC CONTROL UNIT
1. Turn ignition switch OFF.
2. Disc

Page 3370 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-37
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
NO >> Repair harness or connector.
8.CHECK GROUND CIRCUIT FOR PTC CONTROL UNIT 
1. Tur

Page 3371 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-38
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
Check full hot switch. Refer to HAC-41, "PTC HEATER (300 WATT) : PTC Heater (300 Watt) Component
Inspection".
Is the in

Page 3372 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-39
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
Check continuity between water temperature sensor harness con-
nector M64 (A) terminal

Page 3373 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-40
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
19.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT TEMPERATURE SENSOR AND PTC CONTROL
UNIT
Check continuity between ambient te

Page 3374 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-41
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
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K
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MA
B
HAC
N
O
P
1. Turn blower control dial to "1" position.
2. Confirm fan on signal between PTC cont

Page 3375 of 5883

NISSAN TIIDA 2007  Service Repair Manual HAC-42
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
PTC HEATER CONTROL SYSTEM
After disconnecting ambient sensor connector E60, measure resis-
tance between terminals 3 and 4 at sensor side, using

Page 3376 of 5883

NISSAN TIIDA 2007  Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-43
< COMPONENT DIAGNOSIS >[MANUAL AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
MA
B
HAC
N
O
P
After disconnecting full hot switch connector M65, check continuity
between terminals