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Home >> Toyota >> 2004 >> Tundra Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - (5VZ-FE) - Diagnostics >> Circuit Inspection >> DTC P0121: Throttle Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem >> Circuit Description
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Circuit Description

Refer to DTC P0120 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; DTC P0220: THROTTLE/PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT; DTC P0222: THROTTLE PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT LOW INPUT; DTC P0223: THROTTLE PEDAL POSITION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT; DTC P2135: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A"/"B" VOLTAGE CORRECTION .

HINT:

This is the procedure of throttle position sensor.

CONDITION (DTC P0121)

DTC No. DTC Detection Condition Trouble Area
P0121 Condition (a) continues for 2.0 seconds: (a) Difference between VTA and VTA2 is out of threshold Throttle position sensor