Toyota Camry Manual page 534

Check voltage between terminal ECT of cruise control ECU connector and
body ground (On test drive).
Check harness and connector between terminal ECT of cruise control ECU
and solenoid. (See page IN–31)
Check and repair cruise control
ECU.
Check harness and connector between terminal OD of cruise control ECU
and terminal OD1 of ECM. (See page IN–31)
Check and replace ECU.
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
1. Connect cruise control electronically controlled
transaxle connector.
2. Test drive after engine warm up.
Check voltage between terminal ECT of cruise
control ECU connector and body ground when
OD switch is on and off.
Gear Position
O/D
3rd
Proceed to next circuit inspection shown on
matrix chart (See page BE–178).
Repair or replace harness or connector.
Repair or replace harness or connector.
BE–215
Voltage
Below 1 V
10 – 14 V