Toyota Camry Manual page 541

BE–222
ECU Power Source Circuit
CIRCUIT DESCRIPTION
CIRCUIT DESCRIPTION
The ECU power source supplies power to the actuator. Terminal GND and the cruise control ECU case
are grounded.
DIAGNOSTIC CHART
Check ECU–IG fuse.
Check voltage between terminals B and
GND of cruise control ECU connector.
Check continuity between terminal
GND of cruise control ECU connector
and body ground.
Check and repair harness and
connector between battery and cruise
control ECU.
WIRING DIAGRAM
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
Check for short in all the
harness and components
connected to the ECU–IG
fuse
(See attached wire diagram).
Proceed to next circuit
inspection shown on matrix
chart (See page BE–178).
Repair or replace harness or
connector.