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:

    Inspection procedure
    1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (–) lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay conti ...

    Basic inspection
    Resistance measuring condition of electronic parts  unless stated, all resistance is measured at an ambient temperature of 20 c (68 °F). As the resistance may be outside the specifications if measured at high temperatures immediately after the vehicle has been running, measu ...

    Inspection procedure
    Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...