
AC–62
AIR CONDITIONING SYSTEM – TROUBLESHOOTING
Compressor Circuit
CIRCUIT DESCRIPTION
The A/C amplifier outputs the magnetic clutch ON signal from terminal MGC to the ECM. When the ECM receives this signal, it sends a signal from terminal ACMG and switches the air conditioning magnetic clutch relay ON, thus turning the air conditioning compressor magnetic clutch ON.
WIRING DIAGRAM
HTR Fuse
R-L
R/B No.2
3
1
A/C
Magnetic
Clutch
Relay
5
2
W-G
EA1
W-G
E10
2
23
ACMG
ECM
34
E10
A/C
31
II1
L-R
L-R
6
A12
MGC
A/C Amplifier
L
1
EA1
L
L
10
II1
L
7
A12
A/C IN
4
Compressor
(A/C Magnetic Clutch)
N09824