Nissan Quest E52. Manual - part 732
HAC-58
< ECU DIAGNOSIS INFORMATION >
[AUTOMATIC AIR CONDITIONING]
A/C AUTO AMP.
19
(O)
Ground
Front in-vehicle sensor sig-
nal
Input
Ignition switch ON
20
(R)
Ground
A/C auto amp. connection
recognition signal
Output
Ignition switch ON
4.8 – 5.2 V
21
(B/W)
Ground
Ground
—
Ignition switch ON
0 – 0.1 V
23
(B/W)
Ground
Ground
—
Ignition switch ON
0 – 0.1 V
24
(SB)
Ground
Vehicle speed signal
Input
Vehicle speed: 40 km/h (25
MPH)
NOTE:
Waveform varies according to
vehicle speed
30
(R)
Ground
Rear blower motor control
signal
Output
• Ignition switch ON
• Rear fan speed: 1st speed
(manual)
32
(BR)
Ground
Communication signal
(A/C auto amp.
→
Rear A/C
control)
Output
Ignition switch ON
33
(SB)
Ground
Communication signal
(Rear A/C control
→
A/C
auto amp.)
Input
Ignition switch ON
36
(G)
Ground
Exhaust gas/outside odor
detecting sensor signal
Input
Ignition switch ON
NOTE:
Waveform varies according to
the measurement environment
of the vehicle
Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
JSIIA1665ZZ
JSNIA0012GB
JSIIA0096ZZ
SJIA1521J
SJIA1522J
JMIIA2115GB