
AC–52
AIR CONDITIONING SYSTEM – TROUBLESHOOTING
Back Up Power Source Circuit
CIRCUIT DESCRIPTION
This is the back up power source for the A/C amplifier. Power is supplied even when the ignition switch is off
and is used for diagnostic sensor check memory, etc.
WIRING DIAGRAM
R/B No.2 R/B No.2 A/C Amplifier
1 POWER
B 2A ALT 2 W 2 2 W-L
2 1B
J/B
No.1 ECU-B
Battery 13 1E
W-R 7
A14 +B
N13033