1999 NISSAN PRIMERA Electronic Repair Manual

Page 1897 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual WITH GA ENGINE or DIESEL ENGINE
YHA343
To HA-A/C-05
DUAL-PRESSURE
SWITCH
AIR
CONDITIONER
RELAY
To HA-A/C-09
IACV-FICD
SOLENOID
VA LV E THERMAL
PROTECTOR
Hi-
temp Lo-
temp
COMPRESSOR
REFER TO THE FOLLO

Page 1898 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual WITH GASOLINE ENGINE
YHA235
BR
17C
G
BR G
LG/R G/B23
15
G/B G/B
1*
LG/R
RFRL
ECM
2*
LG/R
LG/R
: 7
: 41
*
: E65
: E42
: F70
:F4:
:
BR12
BR
5H
,
2*: 13
: 9
GYGY
BRBB,GY,B
M1
HA-A/C-08
10A
11
21
E19
M
B

Page 1899 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual WITH DIESEL ENGINE
YHA344
IGNITION SWITCH
ON or START
FUSE
BLOCK (J/B)BATTERY
Refer to
EL-POWER
COOLING
FA N
MOTOR-1
COOLING
FA N
RELAY-2 COOLING
FA N
RELAY-1 COOLING
FA N
RELAY-3
To HA-A/C-07
TRIPLE-

Page 1900 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Main Power Supply and Ground Circuit
Check
POWER SUPPLY CIRCUIT CHECK FOR AUTO A/C
SYSTEM
Check power supply circuit for auto air conditioning system.
Refer to ªPOWER SUPPLY ROUTINGº in EL section a

Page 1901 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Check body ground circuit for auto amp. with ignition switch OFF.
1. Disconnect auto amp. harness connector.
2. Connect ohmmeter from harness side.
3. Check for continuity between terminal No.
p17and

Page 1902 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual pA
CHECK RESISTOR AFTER DISCON-
NECTING IT.
OK
ENG
Replace resistor.
CHECK FAN SWITCH. (Refer to Elec-
trical Components Inspection.) (HA-78)
OK
ENG
Replace A/C control
panel.
Note
Check circuit conti

Page 1903 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual Diagnostic Procedure 2: Models with relay
type 1
SYMPTOM: Blower motor does not rotate at all when the fan
speed is in AUTO. (It operates in 1, 2, 3, or
4-speed only.)
CHECK POWER SUPPLY FOR A/C
(LO)

Page 1904 of 2267

NISSAN PRIMERA 1999  Electronic Repair Manual pA
Note
Check circuit continuity between LO relay
harness terminal No.
p5and body
ground.
OK
CHECK LO RELAY AFTER DISCON-
NECTING IT.
ENG
Replace LO relay.YHA250
LO relay
connector
H
H
TROUBLE DIAGNOS