Toyota Corolla (E120): Precaution

1. Check that the battery cables are connected to the correct terminals.

2. Disconnect the battery cables when the battery is given a quick charge.

3. Do not perform tests with a high voltage insulation resistance tester.

4. Never disconnect the battery while the engine is running.

5. Check that the charging cable is tightened on terminal b of the alternator and the fuse box.

6. Do not check whether the alternator generates or not with connecting terminal f to other terminal.

    Share this page:

    Other materials:

    Check mode procedure
    Hint: hand–held 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 mode can also be detected in the check mode. 1. Check mode procedure(using the hand–held tester) ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

    Inspection procedure
    1 Inspect ecm(+b voltage) Turn the ignition switch on.  measure the voltage between the terminals of the e4 and e6 ecm connectors. Standard: 2 Check harness and connector(ecm – body ground) Disconnect the e4 ecm connector. check the resistance between the wire ...