Symbolic Error Messages - Bosch ETT 008.31 Repair Instructions

7.3

Symbolic error messages

Error messages
Err
0
o. . .
0FF5
EnPF
o. . .
Err1 LE.Ei
Err2 LE.Ei
Possible cause
Oil-temperature probe not connected or
incorrect processing of measured values
Engine-speed clamp-on sensor not connected
or incorrect processing of measured values
Engine-speed measuring range exceeded
Zero (offset) of oxygen measurement incorrect
- Undesirable constituents in air sucked in
during system adjustment
- O measuring-sensor connector not plugged in.
2
- O measuring-sensor defective.
2
Faulty O measuring channel
2
- Major leak.
- Exhaust-sample intake system not sealed.
- Fine filter cover leaking.
- Condensation reservoir or exhaust sample
intake hose leaking.
- Minor leak
Trouble-shooting
Connect oil-temperature probe and perform
trouble-shooting to Section 8.11 "Faulty oil-
temperature measuring channel"
Connect engine-speed clamp-on sensor
and perform trouble-shooting to Section
8.10 "Faulty engine-speed measuring
channel"
Set speed to below 9990 rpm or
press speed selector button.
Re-enter zero to Section 4.1.8 and perform
trouble-shooting to Section 8.12 "Faulty O
measuring channel"
Repeat zero adjustment taking care to
ensure that clean air is sucked in.
Plug in O measuring-sensor connector.
2
Replace O measuring sensor and perform
2
trouble-shooting to Section 8.12
"Faulty O measuring channel".
2
Trouble-shooting to Section 8.12
"Faulty O measuring channel"
2
Start leak test again, ensure adequate
sealing.
Start leak test again, ensure adequate
sealing
Check fine filter cover, ensure it is correctly
fastened.
Replace parts, perform trouble-shooting to
Section 8.1.
See major leak.
2
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