Toyota Tacoma manuals

Toyota Corolla Repair Manual: Data list/active test

1. Data list

Hint

: using the data list displayed by the handheld tester or the obd ii scan tool, you can read the value of the switches, sensors, actuators and so on without parts removal. Reading the data list as a first step of troubleshooting is one method to shorten diagnostic time.

Notice

: the values given below for normal condition are representative values. A vehicle may still be normal even if its value differs from those listed here. Do not solely depend on the normal condition here when deciding whether a part is faulty or not.

  1. Warm up the engine.
  2.  turn the ignition switch off.
  3.  connect the handheld tester or the obd ii scan tool to the dlc3.
  4.  turn the ignition switch on.
  5.  push the on button of the handheld tester or the obd ii scan tool.
  6.  select the item diagnosis / enhanced obd ii / data list.
  7.  according to the display on the tester, read the data list.

*1: If no conditions are specifically stated for ldling, it means the shift

*1: If no conditions are specifically stated for ldling, it means the shift lever is in the n or p position, the a/c switch is off and all accessory switches are off.

*2: A/t only

2. Active test

Hint

: performing the active test using the handheld tester or the obd ii scan tool allows the relay, vsv, actuator and so on to operate without parts removal. Performing the active test as a first step of troubleshooting is one method to shorten diagnostic time.

It is possible to display the data list during the active test.

  1.  warm up the engine.
  2.  turn the ignition switch off.
  3.  connect the handheld tester or the obd ii scan tool to the dlc3.
  4.  turn the ignition switch on.
  5. push the on button of the handheld tester or the obd ii scan tool.
  6.  select the item diagnosis / enhanced obd ii / active test.
  7.  according to the display on the tester, perform the active test.

Definition of terms

Terminals of ecm
*1: A/t only ...

Definition of terms
Term Definition Monitor description Description of what the ecm monitors and how it detects malfunction (monitoring purpose and its details). Related dtcs ...

Other materials:

Inspection procedure
1 Check p squib circuit(airbag sensor assy center instrument panel passenger airbag assy) Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector between the airbag sensor assy center and the instrument panel pass ...

Hydraulic test
1. Perform hydraulic test Measure the line pressure. Notice: Do the test at normal operation atf temperature 50 to 80 c (122 to 176 f). The line pressure test should always be carried out in pairs. One technician should observe the conditions of wheels or wheel stopper outside ...

How to proceed with troubleshooting
The handheld tester can be used at step 3, 4, 6, 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect the obd ii scan tool or handheld tester to dlc3 4 Check and clear dtc and freeze frame data 5 Visual inspection 6 Setting the check mode diagnosis 7 Problem sy ...

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