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:

Inspection procedure
Hint: if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure switching valve), p0451, p0452 or p0453  is output with dtc p0442 or p0456 , first troubleshoot dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected, troubleshoot dtc p0442 or p0456 next. ...

Front suspension arm subassy lower no.1 Lh
Replacement Hint: components: 1. Remove front wheel 2. Disconnect front stabilizer link assy lh (lh (a/t) position) 3. Disconnect front stabilizer link assy rh (lh (a/t) position) Hint: remove the rh side by the same procedures as the lh side. 4. Separate front suspension arm subassy lower ...

Inspection
1. Charcoal canister assy Visually check the charcoal canister for cracks or damage. Inspect the charcoal canister operation.  Plug the vent port with the cap.  While holding the purge port closed, blow air (1.76 Kpa, 18 gf/cm2, 0.26 Psi) into the evap port and ...

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