Toyota Tacoma manuals

Toyota Corolla Repair Manual: Catalyst monitor (o2s type)

  1. Preconditions

The monitor will not run unless:

Notice

: * 2002 and later my vehicles: the readiness test can be completed in cold ambient conditions (less than 14f / 10 C), if the drive pattern is repeated a second time after cycling the ignition off.

  1. Drive pattern
  1.  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.
  2.  Drive the vehicle at 40 to 55 mph (64 to 88 km/h) for approximately 3 minutes.

Notice

: drive with smooth throttle operation and avoid sudden acceleration.

If iat is less than 50f (10 C) when starting engine, continue to drive vehicle at 40 to 55 mph (64 to 88km/h) for approximately 4 minutes.

  1. Drive the vehicle at 35 to 45 mph (56 to 72 km/h) for approximately 7 minutes.

Notice

: drive with smooth throttle operation and avoid sudden deceleration as much as possible with the throttle fully closed.

  1. If readiness status dose not switch to complete, make sure that the preconditions are met and the ignition switch is turned off and then repeat steps (2) and (3).
  2.  Release pressure in the fuel tank by removing and then reinstalling the fuel tank cap.
  3.  Start the engine and immediately begin driving as directed.
Purpose of the readiness tests
The onboard diagnostic (obd ii) system is designed to monitor the performance of emissionrelated components and report any detected abnormalities in the form of diagnostic trouble codes ...

Evap monitor (vacuum pressure monitor)
Notice: a cold soak must be performed prior to conducting the drive pattern to complete the internal pressure readiness monitor. Cold soak preconditions The monitor will not run unless: ...

Other materials:

Replacement
1. Remove engine under cover rh 2. Remove cylinder head cover no.2 Remove the 2 screw, 3 clips and engine under cover. 3. Remove fan and generator v belt Turn the vribbed belt tensioner slowly clockwise and loosen it. Then, remove the fan and generator v belt and put back th ...

Replacement
Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove luggage compartment door cover 2. Remove rear spoiler  remove the 2 screws.  disconnect the wire harness connector.  put protective tape. &nb ...

Parking the vehicle
► Automatic transmission or continuously variable transmission􀁘 Automatic transmission or continuously variable transmission 1 With the shift lever in D, depress the brake pedal. 2 Shift the shift lever to P. 3 Set the parking brake. 4 Vehicles without a smart key system: Turn ...

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