Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Initial Inspection and Diagnostic Overview

SPARK TEST

1. CHECK THAT SPARK OCCURS.

(3S-FE)
a. Disconnect high-tension cords from spark plugs.
b. Remove the spark plugs.
c. Install the spark plugs to each high-tension cord.
d. Ground the spark plug.
e. Check if spark occurs while engine is being cranked.

(3S-GE)
a. Disconnect the high-tension cord from the distributor.
b. Hold the end about 12.5 (1/2") from body of car.
c. See if spark occurs while engine is being cranked.

NOTE: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 1 - 2 seconds at a time.






If the spark does not occurs, perform the test as shown in flow chart.