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HOMESERVICE MANUALSTOYOTA1972CORONA BASE, 4D SEDAN, NOT AVAILABLE TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMTRANSMISSION CONTROLLED SPARKTESTINGSPEED SENSOR
1972 Toyota Corona Base, 4D Sedan, Not Available Trans

Speed Sensor

1972 Toyota Corona Base, 4D Sedan, Not Available TransSECTION Speed Sensor

Disconnect speedometer cable at transmission. Disconnect computer or speed marker connector and connect ohmmeter as shown in illustration. Turn cable by hand and count number of on-off cycles per each revolution of speedometer cable. If number of cycles is not correct (see Fig 1) replace speedometer.

NOTE: On Land Cruiser models, connections should be as shown for Corolla, Carina, etc. but reading should be six cycles.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.