Toyota Tacoma manuals

Toyota Corolla Repair Manual: Basic inspection

When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found quickly and efficiently. Therefore, using this check is essential in the engine troubleshooting.

1 Check battery voltage

Notice

: carry out this check with the engine stopped and ignition switch off.

Ng charge or replace battery

Ng charge or replace battery

2 Check if engine will crank

2 Check if engine will crank

Ng proceed to problem symptoms table on page

3 Check if engine starts

3 Check if engine starts

Ng go to step 7

4 Check air filter

4 Check air filter

  1. Visually check that the air filter is not excessively dirty or oily.

Notice

: if necessary, clean the filter with compressed air. First blow from the inside thoroughly, then blow from the outside of the filter.

Ng clean or replace

5 Check idle speed

5 Check idle speed

Ng proceed to problem symptoms table on page

6 Check ignition timing

6 Check ignition timing

Ng proceed to page 141 and continue to troubleshoot

Proceed to problem symptoms table on page

Proceed to problem symptoms table on page

7 Check fuel pressure

Ng proceed to page 111 and continue to troubleshoot

8 Check for spark

8 Check for spark

Ng proceed to page 181 and continue to troubleshoot

Proceed to problem symptoms table on page

Proceed to problem symptoms table on page

Check mode procedure
Hint: handheld tester only: compared to the normal mode, the check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which are detected in the normal mo ...

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

Other materials:

Overview
Buttons on the steering wheel Cruise control on/off Store/maintain speed Pause cruise control / Continue cruise control with the last setting Without steering and traffic jam assistant: Increase the distance Without steering and traffic jam assistant: Reduce distance With steering and traff ...

Ambient air package
Concept The Ambient Air Package can be used to clean and scent the interior air with high-quality fragrances. Ionization is used to clean the air from suspended particles. Together with the selected fragrance, ionization contributes to well-being and relaxation while driving. General information T ...

Circuit description
The crankshaft position sensor (ne signal) consists of a magnet, iron core and pickup coil. The ne signal plate (crankshaft position sensor plate) has 34 teeth and is installed on the crankshaft. The ne signal sensor generates 34 signals for each engine revolution. This sensor monitors a p ...

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