2006 NISSAN VERSA Workshop Service Repair Manual

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Page 2441 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
MTC-29
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Revision: June 20062007 Versa
Wiring Diagram — A/C,M —EJS00595
LJWA0018E

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NISSAN VERSA 2006 Workshop Service Repair Manual MTC-30
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
LJWA0019E

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
MTC-31
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Revision: June 20062007 Versa
LJWA0020E

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NISSAN VERSA 2006 Workshop Service Repair Manual MTC-32
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
LJWA0021E

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
MTC-33
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Revision: June 20062007 Versa
Operational CheckEJS0057J
The purpose of the operational check is to confirm that the system operates properly.
CHECKI

TROUBLE DIAGNOSIS
MTC-33
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Operational CheckEJS0057J
The purpose of the operational check is to confirm that the system operates properly.
CHECKING BLOWER
1. Turn blower control dial clockwise to "1" position. Blower should operate on low speed.
2. Turn blower control dial clockwise to "2" position, and continue checking blower speed until all speeds are
checked.
3. Leave blower on Maximum speed.
If NG, go to trouble diagnosis procedure for MTC-37, "
Blower Motor Circuit" .
If OK, continue the check.
CHECKING DISCHARGE AIR
1. Turn mode door control dial to each position.
2. Confirm that discharge air comes out according to the air distribution table. Refer to MTC-22, "
Discharge
Air Flow" .
If NG, go to trouble diagnosis procedure for MTC-34, "
Mode Door" .
If OK, continue the check.
CHECKING RECIRCULATION
1. Set intake door lever to REC position.
2. Operate intake door lever to FRE position.
3. Listen for intake door position change (you should hear blower sound change slightly).
If NG, go to trouble diagnosis procedure for MTC-36, "
Intake Door" .
If OK, continue the check.
CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial counterclockwise to full cold position.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-50, "
Insufficient Cooling" .
If OK, continue the check.
CHECKING TEMPERATURE INCREASE
1. Turn temperature control dial clockwise to full hot position.
2. Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-58, "
Insufficient Heating" .
If OK, continue the check.
CHECKING A/C SWITCH (IF EQUIPPED)
1. Turn fan control dial to the desired (1 to 4 speed) position.
2. Press A/C switch.
3. A/C switch indicator will turn ON.
Confirm that the compressor clutch engages (sound or visual inspection).
If NG, go to trouble diagnosis procedure for MTC-41, "
Magnet Clutch Circuit (If Equipped)" .
If OK, continue the check.
CHECKING DEFROST A/C SWITCH (IF EQUIPPED)
1. Turn fan control dial to the desired (1 to 4 speed) position.
2. Turn mode dial to ( ) DEF.
3. Confirm that the compressor clutch engages (sound or visual inspection).
If NG, go to trouble diagnosis procedure for MTC-41, "
Magnet Clutch Circuit (If Equipped)" .
If all operational checks are OK (symptom cannot be duplicated), go to MTC-24, "
How to Perform Trouble
Diagnosis for Quick and Accurate Repair" and perform tests as outlined. If symptom appears, refer to MTC-
24, "SYMPTOM TABLE" and perform applicable trouble diagnosis procedures. Conditions : Engine running at normal operating temperature

Page 2446 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual MTC-34
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Mode DoorEJS0057K
SYMPTOM: Air outlet does not change.
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - DISCHARGE AIR
1. Rota

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
MTC-35
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Revision: June 20062007 Versa
Air Mix DoorEJS0057L
SYMPTOM: Air mix door does not change.
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATION

Page 2448 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual MTC-36
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Intake Door EJS0057M
SYMPTOM:
Intake door does not change.
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - REC ( )
1. Slide

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