Toyota Camry Manual page 523

BE–204
Check control switch.
Check harness and connector between cruise control ECU and control
switch. (See page IN–31)
Check and replace cruise control ECU.
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
1 Remove steering wheel center pad.
2. Disconnect control switch connector.
Measure resistance between terminals 3 and 4 of
control switch connector when control switch is
operated.
Switch position
Neutral
RES/ACC
SET/COAST
CANCEL
When diagnostic trouble code 34 is displayed,
carefully check that resistance is always 1 Mil or
higher in neutral position, particularly when
switching between REC/ACC and SET/COAST.
Replace cruise control switch.
Repair or replace harness or connector.
Resistance
1 Mn or higher
60–80W
190–2100
410–4300