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4Runner Trail
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (Diagnostic Codes (P0420-P1605))
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SFI System
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DTC P060B: Internal Control Module A/D Processing Performance
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
One of the following conditions is met
Condition 1, 2 or 3
1. Internal control module serial communication
Fail
2. AD converter
Fail
3. Knock sensor circuit
Fail