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ELECTRICAL SYSTEM 17-39
Ignition System
Crankshaft Sensor Peak Voltage Inspection
NOTE
○
Be sure the battery is fully charged.
•
Remove the spark plug caps, but do not remove the spark
plugs.
•
Disconnect:
Crankshaft Sensor Lead Connector [A]
•
Set the hand tester [B] to the 10 V DC range.
•
Connect the peak voltage adapter [C] to the hand tester
and crankshaft sensor leads in the connector.
Special Tools - Hand Tester: 57001-1394
Peak Voltage Adapter: 57001-1415
Type: KEK-54-9-B
Brand: KOWA SEIKI
Connections:
Crankshaft Sensor
Lead
Adapter Hand Tester
Black/White
←
Red
→
(+)
Blue
←
Black
→
(–)
•
Turn the ignition switch on, and rotate the engine for 4 ∼ 5
seconds with the transmission gear in neutral to measure
the crankshaft sensor peak voltage.
•
Repeat the measurement 5 or more times.
Crankshaft Sensor Peak Voltage
Standard:
2Vormore
If the peak voltage is lower than the standard, inspect the
crankshaft sensor.
Alternator Rotor Inspection
•
Check the timing projection [A] for damage such as chip-
ping or grooving.
If the timing projection on the rotor is visibly damaged,
replace the alternator rotor.
Ignition Timing Test
•
Remove the ignition timing inspection plug.
•
Attach a timing light [A] and a tachometer in the manner
prescribed by the manufacturer.
Special Tool - Timing Light: 57001-1241
•
Start the engine and aim the timing light at the timing mark
on the alternator rotor.
•
Run the engine at the speeds specified and note the align-
ment of the timing marks.