2007 NISSAN TIIDA Service Repair Manual

open bonnet 4WD mileage low oil pressure brake pads OBD port

Page 3481 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-148
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
Check continuity between water temperature sensor harness con-
nector M64 (A) terminal 2 and PTC control unit

Page 3482 of 5883

NISSAN TIIDA 2007 Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-149
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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1. Turn ignition switch OFF.
2. Disconnect ambient sensor connector E60.
3.

PTC HEATER CONTROL SYSTEM
HAC-149
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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1. Turn ignition switch OFF.
2. Disconnect ambient sensor connector E60.
3. Turn ignition switch ON.
4. Check voltage between ambient sensor harness connector E60
terminal 2 and ground.
Is the inspection result normal?
YES >> GO TO 19.
NO >> GO TO 21.
19.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between ambient sensor harness connector
E60 (A) terminal 1 and front air control harness connector M51
(B) terminal 33.
Is the inspection result normal?
YES >> GO TO 20.
NO >> Repair harness or connector.
20.CHECK AMBIENT SENSOR
Refer to HAC-151, "
PTC HEATER (300 WATT) : PTC Heater (300 Watt) Component Inspection".
Is the inspection result normal?
YES >> 1. Replace front air control. Refer to XX.
2. Go to self-diagnosis HAC-213, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
NO >> 1. Replace ambient sensor. Refer to XX.
2. Go to self-diagnosis HAC-213, "
Front Air Control Self-Diagnosis" and perform self-diagnosis
STEP-2. Confirm that code No. 20 is displayed.
21.CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector M51.
3. Check continuity between ambient sensor harness connector
E60 (A) terminal 2 and front air control harness connector M51
(B) terminal 30.
4. Check continuity between ambient sensor harness connector
E34 (A) terminal 2 and ground.
Te r m i n a l s
Vol tag e
(Approx.) (+) (−)
Connector Terminal
Ground
Ambient sensor:
E6025V
AWIIA0307ZZ
AB
Continuity
Connector Terminal Connector Terminal
Ambient sensor:
E601Front air control:
M5133 Yes
AWIIA0308ZZ
AB
Continuity
Connector Terminal Connector Terminal
Ambient sensor:
E602Front air control:
M5130 Yes
AWIIA0309ZZ

Page 3483 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-150
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
Is the inspection result normal?
YES >> 1. Replace front air control. Refer to XX.
2. Go to self-diagnosis HA

Page 3484 of 5883

NISSAN TIIDA 2007 Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-151
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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1. Turn blower control dial to "1" position.
2. Confirm fan on signal betwee

Page 3485 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-152
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
After disconnecting ambient sensor (1) connector E60, measure
resistance between terminals 1 and 2 at sensor

Page 3486 of 5883

NISSAN TIIDA 2007 Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-153
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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After disconnecting full hot switch connector M65, check continuity
between

Page 3487 of 5883

NISSAN TIIDA 2007 Service Repair Manual HAC-154
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
PTC HEATER CONTROL SYSTEM
PTC heater
PTC relays
Ambient sensor
Blower relay
System Operation
PTC heater system starts when all t

Page 3488 of 5883

NISSAN TIIDA 2007 Service Repair Manual PTC HEATER CONTROL SYSTEM
HAC-155
< COMPONENT DIAGNOSIS >[AUTO AIR CONDITIONER (W/O NAVI)]
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The PTC control unit is attached on the A/C unit assembly. It controls
PTC h

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