Toyota Camry Manual page 540

INSPECTION PROCEDURE
Check operation of starter.
Check that the starter operates normally and that the engine
starts.
Input signal check.
Check voltage between terminal N & C of cruise control ECU connector and
body ground.
Check for open in harness and connector between cruise control ECU
and ST fuse.
Check and replace cruise control ECU.
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
Proceed to engine troubleshooting (See
page EG Section).
1. See input signal check on page BE–172.
2. Check the indicator light when shifting into P
range or N position.
The indicator light goes off when the clutch
pedal is depressed.
Proceed to next circuit inspection shown
on matrix chart (See page BE–178).
Remove cruise control ECU with connectors still
connected.
1. Turn ignition switch ON.
2. Measure voltage between terminal N & C of
cruise control ECU connector and body
ground, when the clutch pedal is depressed.
Switch Position
ON (pedal depressed)
OFF
Proceed to next circuit inspection shown
on matrix chart (See page BE–178).
Repair or replace harness or connector.
BE–221
Voltage
Below 1 V
10 – 14 V