SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES [w/ Smart Key System]
3. AIR CONDITIONING BUS LINES
4. LIGHTING BUS LINES [w/ Smart Beam]
System Description
How To Proceed With TroubleshootingCheck For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected using the ECU Data List function of
the Techstream.
(a) ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
Text in Illustration
*1
Component without harness connected
(Engine Coolant Temperature Sensor)
*2
Temperature °C (°F)
*3
...
One or more Power Seat Motors do not Operate
DESCRIPTION
Signals are input into the position control ECU and switch assembly. The built-in
ECU manages the signals received from the position control ECU and switch assembly,
and operates each motor. If the position control ECU and switch assembly rece ...