Display text
Meaning
Task
AL Power Amplifier 2
Fail
Power amplifier cylinder side B failure
1. Check LOP visually (→ Page 181).
2. Perform LOP test procedures
(→ Page 183).
3. Check ECU plug-in connections
(→ Page 176).
4. Check engine wiring (→ Page 172).
5. Contact Service
• Have ECU checked and re‐
placed, if required.
AL Override Activat‐
ed
Engine safety system not active
Status message:
• Override activated.
AL Power Fail Con‐
trol
Power failure of control system
Check power circuit breakers and
fuses.
AL Power Fail Moni‐
toring
Power failure
Check power circuit breakers and
fuses.
AL Transistor Output
1/2 Fail
One of the ECU transistor outputs
(TAA1 or TAA2) is defective
Contact Service
• Have ECU checked and replaced, if
required.
AL Transistor Output
3/4 Fail
One of the ECU transistor outputs
(TAA3 or TAA4) is defective
Contact Service
• Have ECU checked and replaced, if
required.
AL Water in Fuel Pre‐
filter
Water in fuel prefilter
Drain fuel prefilter (→ Page 136).
DL 211+A001-A001
Display panel DIS not detected on de‐
fault bus
1. Check LOP visually (→ Page 181).
2. Perform LOP test procedures
(→ Page 183).
3. Check ECU plug-in connections
(→ Page 176).
4. Check engine wiring (→ Page 172).
5. Contact Service
• Have DIS checked and re‐
placed, if required.
DL 211+A001-A010
LCU of LOP 1 (PIM No. 21.X+A001-
A010) not detected on default bus
1. Check LOP visually (→ Page 181).
2. Perform LOP test procedures
(→ Page 183).
3. Check ECU plug-in connections
(→ Page 176).
4. Check engine wiring (→ Page 172).
5. Contact Service
• Have MPU 23 of PIM No. 21.X
+A001-A010 checked and re‐
placed, if required.
DL 211+A001-A020
LMU of LOP 1 (PIM No. 21.X+A001-
A020) not detected on default bus
1. Check LOP visually (→ Page 181).
2. Perform LOP test procedures
(→ Page 183).
3. Check ECU plug-in connections
(→ Page 176).
4. Check engine wiring (→ Page 172).
5. Contact Service
• Have MPU 23 of PIM No. 21.X
+A001-A020 checked and re‐
placed, if required.
100 | Troubleshooting | MS150031/03E 2011-10
TIM-ID: 0000008898 - 001
Summary of Contents for 12 V 2000 M40A
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Page 20: ...Fuel system covers 20 Product Summary MS150031 03E 2011 10 TIM ID 0000002178 003 ...
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Page 22: ...Lube oil system covers 22 Product Summary MS150031 03E 2011 10 TIM ID 0000002178 003 ...
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