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2004
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Highlander Limited, FWD
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Section 463 (Engine Control System (SFI) - Diagnostics)
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DTC P0120: Throttle/Pedal Position Sensor/Switch "A" Circuit; DTC P0122: Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input; DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
Threshold
P0120:
VTA voltage
Flutters beyond the normal range
P0122:
VTA voltage
less than 0.1 V
P0123:
VTA voltage
more than 4.9 V