Главная Automobile - Toyota Toyota Sequoia - Repair manual 2005 year
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A23541 At least 3 minutes 2 seconds Check 2 seconds Engine Speed 3,000 rpm 2,000 rpm Idling Ignition Switch OFF (a) (b) (c) (d) Time Warming up (d) – DIAGNOSTICS ENGINE DI–251 445 MONITOR RESULT Refer to page for detailed information. The test value and test limit information are described as shown in the following table. Check the monitor MID (Monitor Identification Data) is assigned to each emissions–related component. TID (Test Identification Data) is assigned to each test value. Scaling is used to calculate the test value indicated on generic tools. Catalyst bank 1 – Active A/F control method MID TID Scaling Description of Test Value Minimum Test Limit Maximum Test Limit $21 $A9 Multiply by 0.0003 (no dimension) Oxygen storage capacity of catalyst Minimum test limit for catalyst Maximum test limit for catalyst Catalyst bank 2 – Active A/F control method MID TID Scaling Description of Test Value Minimum Test Limit Maximum Test Limit $22 $A9 Multiply by 0.0003 (no dimension) Oxygen storage capacity of catalyst Minimum test limit for catalyst Maximum test limit for catalyst WAVEFORMS OF AIR–FUEL RATIO (A/F) AND HEATED OXYGEN (HO2) SEN- HINT: (a) Connect the hand–held tester to the DLC3. (b) Start the engine and warm it up with all the accessories switched OFF, until the engine coolant temper- (c) Run the engine at an engine speed of between 2,500 rpm and 3,000 rpm for at least 3 minutes. (d) After confirming that the waveform of the heated oxygen sensor (bank 1, 2 sensor 1 (HA1A, HA2A)), |