Toyota Camry (XV70): Monitor Drive Pattern
MONITOR DRIVE PATTERN
MONITOR DRIVE PATTERN FOR ECT
CAUTION:
Perform the following procedure on a level surface while strictly observing all traffic laws and speed limits.
HINT:
Performing this drive pattern is one method to simulate ECM (ECT) malfunction detection conditions. Some DTCs may not be detected through ordinary, everyday driving. Also, some DTCs may not be detected through this drive pattern.
(a) Preparation for driving
(1) Warm up the engine sufficiently (engine coolant temperature of 60
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PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order
TERMINALS OF ECM ECM
HINT: The standard voltage and resistance of each ECM terminal is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal
DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, an OBD II scan tool (complying with SAE J1978) must be connected to the vehicle. Various data output from t
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Summary of functions
In vehicle-to-vehicle distance control mode, the vehicle automatically
accelerates, decelerates and stops to match the speed changes of the
preceding vehicle even if the accelerator pedal is not depressed. In
constant speed control mode, the vehicle runs at a fixed speed.
DESCRIPTION The front center ultrasonic sensor RH is installed on the front bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the front center ultrasonic sensor RH. If an open circuit or other malfunction occurs in the front center ultrasonic sensor RH, t