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1.Remove the auto-cruise
control switch. (Refer to  ).
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2.Measure the resistance
between the terminals when each of the SET, RESUME, CANCEL
and MAIN switches is pressed. If the values measured at the
time correspond to those in the table below, then there is
no problem.
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Switch
position
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Specified
condition
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MAIN switch:
OFF
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Open circuit
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MAIN switch:
ON
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Less than 2
Ω
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CANCEL switch:
ON
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Approximately 100
Ω
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RESUME switch:
ON
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Approximately 887
Ω
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SET switch:
ON
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Approximately 300
Ω
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1.Disconnect the
connector.
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2.Check for continuity
between the terminals of the switch.
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Measurement
conditions
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Terminal connector
of tester
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Specified
condition
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When brake pedal is
depressed. (for stop lamp
circuit)
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1 - 2
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Continuity (less than
2 Ω)
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3 - 4
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Open circuit
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When brake pedal is not
depressed. (for auto-cruise control
circuit)
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1 - 2
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Open circuit
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3 - 4
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Continuity (less than
2 Ω)
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Refer to GROUP 23A, On-vehicle
Service - A/T Control Component Check .
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Refer to GROUP 13A, On-vehicle
Service - Throttle Valve Control Servo Check .
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