Toyota Camry Manual page 548

INSPECTION PROCEDURE
Check voltage between terminals CMS and GND of cruise control ECU
connector.
Check main switch.
Check harness and connector between cruise control ECU and main switch,
main switch and body ground.
Check and replace cruise control
ECU.
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
1. Remove cruise control ECU with connectors
still connected.
2. Turn ignition switch ON.
Measure voltage between terminals CMS and
GND of cruise control ECU connector when
main switch is hold on and off.
Main switch
OFF
Hold on
Proceed to next circuit inspection shown
on matrix chart (See page BE–178).
1. Remove steering wheel pad (See page
RS–19).
2. Disconnect cruise control switch connector.
Check continuity between terminals 3 and 5 of
cruise control switch connector when main switch
is hold on and off.
Terminals
Main switch
OFF
Hold on
Replace control switch.
Repair or replace harness or connec-
tor.
BE–229
Voltage
10 – 14 V
Below 1 V
continuity