LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jaguar >> 2002 >> XK8 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Electronic Engine Controls >> General Procedures >> Engine Control Module (ECM) Adaptation >> Diagnostic Monitor Completion
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Monitor Completion

  1. The drive cycles detailed here will enable the monitors to run, but only after fuelling adaptations are complete.
    DIAGNOSTIC MONITOR COMPLETION

    Diagnostic Engine Speed Vehicle Speed Mass Air Flow (grams/second) Time to Completion
    Catalyst Monitor 1100 to 1600 rpm 50 to 72 kph (31 to 45 mph) 5 to 30 g/s 23 seconds
    HO2S 600 to 2500 rpm 29 to 113 kph (18 to 70 mph) 4 to 16 g/s Fuel cut for more than 10 seconds, but less than 30 seconds *
    Catalyst Monitor Sensor N/A N/A 10 to 90 g/s 140 seconds
    Fuel System N/A N/A More than 6 g/s 33 seconds
    AACV N/A 61 to 121 kph (38 to 75 mph) 4 to 16 g/s Fuel cut for 2 seconds *
    P/N switch 1800 to 2200 rpm 80 to 101 kph (50 to 63 mph) N/A 31 seconds
    Evaporative emissions N/A 48 to 89 kph (30 to 55 mph) and idle Refer to DRIVE CYCLE FOR 40 THOU LEAK TEST  and/or DRIVE CYCLE FOR 20 THOU LEAK TEST (2001 MY ON ONLY)  Refer to DRIVE CYCLE FOR 40 THOU LEAK TEST  and/or DRIVE CYCLE FOR 20 THOU LEAK TEST (2001 MY ON ONLY) 
  2. During the drive cycle, drive gently, avoiding hard acceleration, braking or cornering and rough roads.
    • Drive at 84 to 97 kph (52 to 60 mph) for 40 seconds.
    • Accelerate to 113 kph (70 mph).
    • Close the throttle, (ideally at the start of a descent) continue with closed throttle for 10 seconds. (* Fuel cut)
    • Drive at 56 to 64 kph (35 to 40 mph), holding the throttle as steady as possible, on a flat level road for 30 seconds minimum.
scientia non olet · About LEMON Manuals