I28844
Integration Control
and Panel
2L16
7
R±WRrBLW
RrVM I21 21
BPBH122
G IJ3 A30
A/C Power Transistor
4LG W±G W±B
5 3
B15
Blower Motor
(Rear)12G W±GL
1 w/ Rear A/C:
From
RR Heater RelayI21 IJ3
W±B
A
J57
J/C
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2377
2571 Author: Date:
2005 SEQUOIA (RM1146U)
Blower Motor Circuit (Rear A/C)
CIRCUIT DESCRIPTION
This is power source for the blower motor.
WIRING DIAGRAM
DI8AF±06
I28845
ECM
E5
E5G±BIntegration Control
and Panel
I22
ACT
AC1
8 25
24
L±W 2
21
5 MG CLT Relay
J3 J/C
15
IG4 C
C Engine Room J/B
2
2C4
2G
3
A3
A/C Magnetic Clutch
and Lock Sensor R±Y
IA1 LG±B5
4
Engine Room R/B No. 2
2 22 G±Y
MGC 5
I19 I22 ACT
AC1
IA5
R±Y1
L±W L±W
R±Y
L
L
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2381
2575 Author: Date:
2005 SEQUOIA (RM1146U)
Compressor Circuit
CIRCUIT DESCRIPTION
The integration control and panel outputs the magnetic clutch ON signal from terminal AC1 to the ECM.
When the ECM receives this signal, it sends a signal from terminal ACT and switches the A/C magnetic clutch
relay ON. This turns the A/C magnetic clutch on.
WIRING DIAGRAM
DIAA8±03
