PARTS LOCATION
ILLUSTRATION
System DiagramActuator Supply Voltage Circuit / Open (P0657)
MONITOR DESCRIPTION
The ECM monitors the output voltage to the throttle actuator. This self-check
ensures that the ECM is functioning properly. The output voltage is usually 0 V
when the ignition switch is turned off. If the output voltage is higher than ...
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment
or repair. Contact your Toyota dealer as soon as possible.
- Visible symptoms
• Fluid leaks under the vehicle
(Water dripping from the air conditioning after use i ...
Fail-safe Chart
FAIL-SAFE CHART
Engine Coolant Temperature Gauge
Condition
Response
Recovery
Engine coolant temperature data is interrupted for 3 seconds.
The gauge needle indicates below C.
Engine cool ...