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| Fuses No. 10 and 29 for engine control unit o.k |
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| Battery voltage at least 11.5 volts |
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| Reading measured value block and display group. |
for engine with engine identification characters AGU: 003 → Chapter |
for engine with engine identification characters ARZ, ARX, AUM: 004 → Chapter |
If the specified value is not reached: |
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| Connect → Chapter test box at wiring loom to the engine control unit. |
Testing voltage of terminal 30 |
For engine with engine identification characters AGU |
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| Connect the multimeter and measure the voltage between bushes 2 and 3 of the test box. |
For engine with engine identification characters ARZ, ARX, AUM |
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| Connect the multimeter and measure the voltage between bushes 1 and 62 of the test box. |
Continued for all engines |
Specified value: min. 11.5 V |
If the specified value is not reached: |
Testing voltage of terminal 15 |
For engine with engine identification characters AGU |
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| Connect the multimeter and measure the voltage between bushes 1 and 2 of the test box. |
For engine with engine identification characters ARZ, ARX, AUM |
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| Connect the multimeter and measure the voltage between bushes 2 and 3 of the test box. |
Continued for all engines |
Specified value: min. 11.5 V |
If the specified value is not reached: |
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