Home/Scion/xB/Scion xB I (2003-2007)/Repair manual/Testing & Diagnostics/DTC P0121: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUI…
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DTC P0121: THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT RANGE/PERFORMANCE PROBLEM Scion xB I

HINT

This DTC relates to the Throttle Position (TP) sensor.

CIRCUIT DESCRIPTION

Refer to DTC P0120 on 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 No.DTC Detection ConditionsTrouble Areas
P0121After vehicle speed exceeds 19 mph (30 km/h) onceTP sensor voltage output deviates from the standard range when throttle valve closed at 0 mph (0 km/h) on 4 occasions TP sensor

DTC DETECTION CONDITIONS