Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
Cruise Control Module: Component Tests and General Diagnostics
Back-Up Power Source Circuit
BACK-UP POWER SOUCRE CIRCUIT
CIRCUIT DESCRIPTION
The ECU back-up power source provides power even when the ignition is off and is used for DTC memory, etc..
Back-Up Power Source Circuit
WIRING DIAGRAM
Inspection Procedure / Back-Up Power Source Circuit (1 Of 2)