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Last Modified: 9-16-2014 6.6 C Doc ID: RM000000PFZ0WUX Model Year: 2015 Model: Tundra Prod Date Range: [08/2014 - ] Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2121; Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance; 2015 MY Tundra [08/2014 - ] DTC P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance DESCRIPTION HINT: Refer to DTC P2120
. DTC CODE DTC DETECTION CONDITION TROUBLE AREA P2121 Either conditions (1) or (2) met for 0.5 seconds (1 trip detection logic): (1) Difference between VPA and VPA2 is less than 0.4 V, or to the specified value. Accelerator Pedal Position (APP) sensor ECM MONITOR DESCRIPTION the DTC is stored. MONITOR STRATEGY Related DTCs P2121: APP sensor rationality Required Sensors/Components (Main) APP sensor Required Sensors/Components (Related) - Duration -: Case 1 0.5 seconds: Case 2 MIL Operation Immediate TYPICAL ENABLING CONDITIONS ALL (Case 1 and Case 2) Monitor runs whenever following DTCs not present P2120, P2122, P2123, P2125, P2127, P2128, P2138 (Accelerator Pedal Position sensor) - 1. Ignition switch ON 2. Throttle actuator power ON 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2121; Throttle... |