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 hood subassy 2. Remove cylinder head cover no.2 3. Remove battery 4. Remove battery carrier Remove the 4 bolts and battery carrier. 5. Remove air cleaner assembly with hose 6. Remove floor shift cable transmission control shift Remove the nut from the control shaft ...

Definition of terms
Term Definition Monitor description Description of what the ecm monitors and how it detects malfunctions (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect ...

Overhaul
1. Inspect 1st gear thrust clearance Using a feeler gauge, measure the 1st gear thrust clearance. Standard clearance: 0.10 0.40 Mm (0.0039 0.0157 In.) 2. Inspect 2nd gear thrust clearance Using a dial indicator, measure the 2nd gear thrust clearance. Standard clearance: ...

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