2010 NISSAN LATIO Service Repair Manual

Page 3321 of 3745

NISSAN LATIO 2010  Service Repair Manual MTC-42
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
1. Turn ignition switch OFF.
2. Disconnect front air control connector and BCM connector.
3. Check continuity between BCM harness connector M18 (A) ter

Page 3322 of 3745

NISSAN LATIO 2010  Service Repair Manual TROUBLE DIAGNOSISMTC-43
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
OK or NG
OK >> GO TO 15.
NG >> GO TO 17.
15.CHECK A/C SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front a

Page 3323 of 3745

NISSAN LATIO 2010  Service Repair Manual MTC-44
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
OK or NG
OK >> • GO TO 18 (with CVT).• GO TO 19 (without CVT).
NG >> GO TO 21.
18.CHECK THERMO CONTROL AMP. GROUND CIRCUIT
1. Turn ignition switch

Page 3324 of 3745

NISSAN LATIO 2010  Service Repair Manual TROUBLE DIAGNOSISMTC-45
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between thermo control amp. harness conne

Page 3325 of 3745

NISSAN LATIO 2010  Service Repair Manual MTC-46
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Check continuity between A/C defrost switch harness connector
M41 terminal 16 and ground. 
OK or NG
OK >> Replace defrost A/C switch. 
NG >> Repair har

Page 3326 of 3745

NISSAN LATIO 2010  Service Repair Manual TROUBLE DIAGNOSISMTC-47
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
Start engine and run A/C. Check for evaporator freeze up.
Does evaporator freeze up?
YES >> Perform diagnostic work flo

Page 3327 of 3745

NISSAN LATIO 2010  Service Repair Manual MTC-48
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
*1MTC-93, "Checking System for 
Leaks Using the Fluorescent Leak 
Detector"
*2MTC-79, "Removal and Installation of 
Compressor - HR16DE" or MTC-81, 
"R

Page 3328 of 3745

NISSAN LATIO 2010  Service Repair Manual TROUBLE DIAGNOSISMTC-49
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
MTC
N
O P
PERFORMANCE CHART
Test Condition
*1 MTC-63, "Removal and Installation"*2MTC-34, "Front Blower Motor Circuit"*3 MTC-79,