LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jaguar
>>
2002
>>
XJR Base
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Trouble Code Identification
>>
DTC P0121: Throttle Position Sensor Circuit Range/Performance
>>
Monitoring Conditions
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Monitoring Conditions
Ignition on.
Battery voltage more than 9 volts.
Slowly move throttle through full range.
Conditions present for more than 40 seconds.