AC/Air Conditioning — Back Up Power Source Circuit, page 52

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