2010 NISSAN TIIDA heater

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Page 3347 of 3745

NISSAN TIIDA 2010 Service Repair Manual MTC-68
< SERVICE INFORMATION >
HEATER CORE
HEATER CORE
Removal and InstallationINFOID:0000000005396516
REMOVAL
1. Remove the A/C unit assembly. Refer to MTC-59, "Removal and Installation".
2. Remove t

Page 3374 of 3745

NISSAN TIIDA 2010 Service Repair Manual REFRIGERANT LINESMTC-95
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
Check all around the service valves. Ensure service valve caps are secured on the service valves (to
prevent leaks).
NO

REFRIGERANT LINESMTC-95
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
Check all around the service valves. Ensure service valve caps are secured on the service valves (to
prevent leaks).
NOTE:
After removing A/C manifold gauge set from service va lves, wipe any residue from valves to prevent any
false readings by leak detector.
• Cooling unit (Evaporator)
With engine OFF, turn blower fan on “High” for at least 15 seconds to dissipate any refrigerant trace in
the cooling unit. Wait a minimum of 10 minutes ac cumulation time (refer to the manufacturer’s recom-
mended procedure for actual wait time) before inserting the leak detector probe into the drain hose.
Keep the probe inserted for at least 10 seconds. Use c aution not to contaminate the probe tip with water
or dirt that may be in the drain hose.
5. If a leak detector detects a leak, verify at least once by blowing compressed air into area of suspected leak, then repeat check as outlined above.
6. Do not stop when one leak is found. Continue to check for additional leaks at all system components.
If no leaks are found, perform steps 7-10.
7. Start engine.
8. Set the heater A/C control as follows;
a. A/C switch: ON
b. Mode control dial position: VENT (Ventilation)
c. Intake door lever position: Recirculation
d. Max. cold temperature
e. Fan speed: High
9. Run engine at 1,500 rpm for at least 2 minutes.
10. Turn engine off and perform leak check again following steps 4 through 6 above.
Refrigerant leaks should be chec ked immediately after stopping
the engine. Begin with the leak detector at the compressor. The
pressure on the high-pressure side will gradually drop after
refrigerant circulation stops and pressure on the low-pressure
side will gradually rise, as shown in the graph. Some leaks are
more easily detected when pressure is high.
11. Before connecting recovery/recycling equipment to vehicle, check recovery/recycling equipment gauges. No refrigerant
pressure should be displayed. If pressure is displayed, recover
refrigerant from equipment lines.
12. Discharge A/C system using approved refrigerant recovery/recycling equipment. Repair the leaking fitting or component if necessary.
13. Evacuate and recharge A/C system and perform the l eak test to confirm no refrigerant leaks.
14. Perform A/C performance test to ensure system works properly.
SHA839E
Revision: January 20102010 Versa

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NISSAN TIIDA 2010 Service Repair Manual HARNESSPG-59
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
PG
N
O P
Wiring Diagram Codes (Cell Codes)INFOID:0000000005395367
Use the chart below to find out what each wiring diagram code stands for.

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NISSAN TIIDA 2010 Service Repair Manual PG-60
< SERVICE INFORMATION >
HARNESS
HEATERMTC Heater System
H/LAMP LT Headlamp
H/PHON AV Hands Free Telephone
HORN WW Horn
HO2S2 EC Heated Oxygen Sensor 2
HO2S2H EC Heated Oxygen Sensor 2 Heat

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