2003 NISSAN TEANA Service Manual

Page 457 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
ATC-79
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
SYSTEM DESCRIPTION
Unified meter and A/C amp. controls compressor operation by intake air temperature and signal from ECM.
Low Temperature Protec

Page 458 of 3502

NISSAN TEANA 2003  Service Manual ATC-80
TROUBLE DIAGNOSIS
 
3. CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND COMPRESSOR
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and compressor connector.
3. Check continuity betwe

Page 459 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
ATC-81
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
7. CHECK VOLTAGE FOR UNIFIED METER AND A/C AMP. (COMPRESSOR ON SIGNAL)
1. Reconnect BCM connector and unified meter and A/C amp.
connector.
2. Tu

Page 460 of 3502

NISSAN TEANA 2003  Service Manual ATC-82
TROUBLE DIAGNOSIS
 
9. CHECK BCM INPUT (FAN ON) SIGNAL
Check FAN ON/OFF signal. Refer to AT C - 3 4 ,  "
CONSULT-II Function
(BCM)" .
OK or NG
OK >> GO TO 12.
NG >> GO TO 10.
10. CHECK CIRCUIT

Page 461 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
ATC-83
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
12. CHECK CAN COMMUNICATION
Check CAN communication. Refer to BCS-14, "
CAN Communication Inspection Using CONSULT-II (Self-
Diagnosis)" .
BCM

Page 462 of 3502

NISSAN TEANA 2003  Service Manual ATC-84
TROUBLE DIAGNOSIS
 
Insufficient CoolingBJS000G7
SYMPTOM: Insufficient cooling
INSPECTION FLOW
*1AT C - 4 7 ,  "FUNCTION CONFIRMA-
TION PROCEDURE", see No. 2 to 6.*2ATC-66, "
Air Mix Door Motor

Page 463 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
ATC-85
C
D
E
F
G
H
I
K
L
MA
B
AT C
 
PERFORMANCE TEST DIAGNOSIS
*1AT C - 8 7 ,  "PERFORMANCE CHART"*2ATC-87, "PERFORMANCE CHART"*3AT C - 8 8 ,  "TROUBLE DIAGNOSIS 
FOR UNUSUAL PRESSU

Page 464 of 3502

NISSAN TEANA 2003  Service Manual ATC-86
TROUBLE DIAGNOSIS
 
*1ATC-136, "Check Disc to Pulley 
Clearance"
*2ATC-72, "Blower Motor Circuit"*3EM-14, "Checking Drive Belts" (QR 
engine) or EM-128, "
Checking Drive 
Belts"  (VQ engine)
SJ