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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DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
HINT: Using the Techstream to read the Data List allows the values or states of switche
DESCRIPTION
Problem Symptom Suspected Area
Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or i