2006 INFINITI M35 Factory Service Manual

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INFINITI M35 2006  Factory Service Manual ATC-90
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
SYSTEM DESCRIPTION
Component Parts
Fan speed control system components are:
Unified meter and A/C amp.
A/C  LAN  system  (PBR  built-in  mod

Page 538 of 5621

INFINITI M35 2006  Factory Service Manual TROUBLE DIAGNOSIS
ATC-91
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2006 January2006 M35/M45
Starting Fan Speed Control
Start up from COLD SOAK Condition (Automatic mode)
In  a  cold  start  up  condition

Page 539 of 5621

INFINITI M35 2006  Factory Service Manual ATC-92
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
1. CHECK POWER SUPPLY FOR BLOWER MOTOR
1. Disconnect blower motor connector.
2. Turn ignition switch ON.
3. Check  voltage  between  blower

Page 540 of 5621

INFINITI M35 2006  Factory Service Manual TROUBLE DIAGNOSIS
ATC-93
C
D
E
F
G
H
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K
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MA
B
AT C
Revision: 2006 January2006 M35/M45
4. CHECK UNIFIED METER AND A/C AMP. OUTPUT SIGNAL
1. Reconnect  blower  motor  connector  and  unified  meter  a

Page 541 of 5621

INFINITI M35 2006  Factory Service Manual ATC-94
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
Magnet Clutch CircuitNJS000GU
SYMPTOM: Magnet clutch does not engage.
INSPECTION FLOW
*1ATC-122, "Intake Sensor Circuit"*2ATC-113, &

Page 542 of 5621

INFINITI M35 2006  Factory Service Manual TROUBLE DIAGNOSIS
ATC-95
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2006 January2006 M35/M45
SYSTEM DESCRIPTION
Unified  meter  and  A/C  amp.  controls  compressor  operation  by  ambient  temperature,  i

Page 543 of 5621

INFINITI M35 2006  Factory Service Manual ATC-96
TROUBLE DIAGNOSIS
Revision: 2006 January2006 M35/M45
1. CHECK AMBIENT SENSOR AND INTAKE SENSOR CIRCUIT
Check  ambient  sensor  and  intake  sensor.  Refer  to AT C - 5 6 ,   "
FUNCTION  CON

Page 544 of 5621

INFINITI M35 2006  Factory Service Manual TROUBLE DIAGNOSIS
ATC-97
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2006 January2006 M35/M45
5. CHECK BCM INPUT (COMPRESSOR ON) SIGNAL
Check  compressor  ON/OFF  signal.  Refer  to AT C - 4 0 ,   "
CON