Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com
Home >> Toyota >> 1997 >> Supra Liftback L6-2997cc 3.0L DOHC MFI >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - HVAC >> Control Module HVAC >> Testing and Inspection >> Related Diagnostic Procedures >> Back Up Power Source Circuit

Back Up Power Source Circuit

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.


Back Up Power Source Circuit:






WIRING DIAGRAM


Inspection Procedures / Back Up Power Source Circuit (1 Of 2):




Inspection Procedures / Back Up Power Source Circuit (2 Of 2):






INSPECTION PROCEDURE
pro multis · About Operation CHARM