Symptom Chart
WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
| SYMPTOM |
POSSIBLE CAUSE |
ACTION |
| Fuel Fired Booster Heater (FFBH) producing excessive smoke |
- New car oils and materials left from the manufacturing process burning off
- Water vapor in the FFBH
exhaust
- FFBH
intake obstructed
- FFBH
evaporative emission canister (where specified) blocked
- FFBH
exhaust obstructed
- Internal blockage to FFBH
unit
- Fuel delivery to FFBH
obstructed
- Fuel contamination
|
|
| Customer reports of unpleasant or excessive odor in the passenger compartment |
- Saturated HVAC Control Module (HVAC) carbon filter
- HVAC
module software out of date (missing recirculation odor exclusion routine)
- FFBH
exhaust leaking or blocked
- FFBH
air intake restricted or blocked
- FFBH
evaporative emission canister (where specified) blocked
- Fuel delivery rate to FFBH
out of specification
- Poor sealing of secondary bulkhead to body
- Climate control system recirculation flaps not operating as intended
|
|
| Unexplained passenger compartment odors |
- HVAC
module software out of date (missing evaporator purge routine)
- Water ingress in vehicle passenger compartment
- Climate control system recirculation flaps not operating as intended
- Fuel leakage
- Coolant leakage
- Contamination spilt or stowed in passenger compartment area
- New car smell
|
|
| FFBH
inoperable or malfunctioning |
- FFBH
intake obstructed
- FFBH
evaporative emission canister (where specified) blocked
- FFBH
exhaust obstructed
- Internal blockage to FFBH
unit
- Fuel delivery to FFBH
obstructed
- Fuel contamination
|
- GO to PINPOINT TEST A . Start from A6 and follow the pinpoint test through to A23. If the fault persists after A23 has been completed, stop the pinpoint test and raise a Technical Assistance (TA)
|