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Toyota COMPUTER-CONTROLLED SYSTEM

Toyota COMPUTER-CONTROLLED SYSTEM
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DIAGNOSTIC CODES
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. 13
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FAIL-SAFE FUNCTIO
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FAIL-SAFE FUNCTION
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. 14
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BACK-UP FUNCTIO
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BACK-UP FUNCTION
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. 14
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TROUBLESHOOTIN
G
GENERAL
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. 149
HOW TO CARRY OU
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TROUBLESHOOTING
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. 150
PRE-DIAGNOSTIC QUESTIONING
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. 152
SYMPTOM CHART
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. 1
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® CHECKING AND CLEARING DIAGNOSTIC
CODE
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"CHECK ENGINE" LAMP CHECK
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. 159
OUTPUT OF DIAGNOSTIC CODE
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. Normal mode
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. 15
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. Test mode
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. 161
CLEARING DIAGNOSTIC CODE
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. 16
2
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SYMPTOM SIMULATION
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. 163
® BASIC INSPECTION
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. 167
INSPECTION AND ADJUSTMEN
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GENERAL
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. 171
IDLE SPEED AND IDLE MIXTURE
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. 172
MANIFOLD PRESSURE SENSO
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(VACUUM SENSOR)
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. 175
THROTTLE POSITION SENSO
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(LINEAR TYPE) AND THROTTL
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BODY
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. 177
DISTRIBUTOR (G AND NE SIGNALS)
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. 180
INTAKE AIR TEMPERATURE
SENSOR
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. 181
FEEDBACK CORRECTION
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. 182
Models with oxygen senso
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(02 sensor)
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. 182
Models with
lean mixture sensor
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. 183
VARIABLE RESISTOR
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. 184
ISC VALV
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(DUTY-CONTROL ACV TYPE)
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. 186
Pag
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APPENDIX
ENGINE CONTROL SYSTE
M
SPECFICATION CHART
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. 18
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DELETED FOR NEW EDITIO
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. 118, 119, 125, 126, 141 to 144,
166 and 174

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