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When any of DTCs P0327, P0328, P0332 and P0333 are set, the ECM enters fail-safe mode. During failsafe Reference: Inspection using an oscilloscope Fig. 112: KNK1 Signal Waveform The correct waveform is as shown. WAVEFORM REFERENCE MONITOR DESCRIPTION If the output voltage transmitted by the knock sensor remains low or high for more than 1 second, the ECM The monitor for DTCs P0327, P0328, P0332 and P0333 begins to run when 5 seconds have elapsed since the If the malfunction is not repaired successfully, DTC P0327, P0328, P0332 or P0333 is set 5 seconds after the MONITOR STRATEGY MONITOR STRATEGY Item Content Terminal KNK1 - EKNK KNK2 - EKN2 Equipment Setting 1 V/DIV. 1 msec./DIV. Condition Keep engine speed at 4000 RPM with warm engine Related DTCs P0327: Knock sensor (bank 1) range check (Low voltage) Required Sensors/Components (Main) Knock sensor
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (1GR-FE) - Tundra
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