Perform measurement of insulation resistance - AR54.10-P-4000NKE
MODEL 242 with ENGINE 780
| Risk of death when touching components on vehicles with high-voltage on-board electrical system | Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems. | AS54.00-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Note on high-voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Evaluation of high-voltage components | AH54.00-P-6500-01SXH | ||
| Measure | |||
| 1 | Perform manual power disconnect for high-voltage on-board electrical system | AR54.10-P-1039NKE | |
| 2 | Disconnect battery ground cable | ||
| Notes on battery | AH54.10-P-0001-01A | ||
| 3 | Close all disconnected electrical connectors with covers | Figure | |
| 4 | Connect test adapter (1) to high-voltage battery (G5) | ||
| 5 | Perform insulation resistance measurement on high-voltage battery (G5) using test adapter (1) | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ continue with step 6. If the measured value is not OK. ↓ Replace high-voltage battery. |
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| AR54.10-P-1140NKE | |||
| 6 | Perform insulation resistance measurement at high-voltage plug (2) | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Continue with operation step 20. If the measured value is not OK. ↓ Detach high-voltage electrical line from electric A/C compressor. |
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| AR83.55-P-5310NKE | |||
| 7 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace electric refrigerant compressor. If the measured value is not OK. ↓ Detach high-voltage electrical line from PTC heater. |
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| Model 242.890 with engine 780 | AR83.70-P-8001NKE | ||
| 8 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace PTC heater. If the measured value is not OK. ↓ Detach high-voltage electrical line from high-voltage battery charger. |
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| AR54.10-P-5106NKE | |||
| 9 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. Replace the high-voltage battery. If the measured value is not OK. ↓ Detach high-voltage electrical line from heater high-voltage battery circuit. |
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| AR20.00-P-0002NKE | |||
| 10 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace the high-voltage battery circuit heater. If the measured value is not OK. ↓ Detach high-voltage electrical line from DC/DC converter. |
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| AR54.10-P-1350NKE | |||
| 11 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace the DC/DC converter. If the measured value is not OK. ↓ Detach high-voltage electrical line from electric motor with transmission and power electronics. |
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| AR08.10-P-0000NKE | |||
| 12 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ replace the electric motor with transmission and power electronics. If the measured value is not OK. ↓ Detach high-voltage electrical line for electric A/C compressor from high voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 13 | Perform insulation resistance measurement at high-voltage plug (2) again | ||
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage electrical line from electric A/C compressor to high-voltage distributor. If the measured value is not OK. ↓ Detach high-voltage electrical line for PTC heater from high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 14 | Perform insulation resistance measurement at high-voltage plug (2) again | ||
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage electrical line from PTC heater to high-voltage distributor. If the measured value is not OK. ↓ Detach high-voltage electrical line for heater high-voltage battery circuit from the high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 15 | Perform insulation resistance measurement at high-voltage plug (2) again | ||
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage electrical line from heater high-voltage battery circuit to the high-voltage distributor. If the measured value is not OK. ↓ Detach high-voltage electrical line for DC/DC converter from high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 16 | Perform insulation resistance measurement at high-voltage plug (2) again | ||
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage electrical line from DC/DC converter to high-voltage distributor. If the measured value is not OK. ↓ Detach wiring harness for high-voltage electrical line for electric motor with transmission and power electronics from high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 17 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace wiring harness for high-voltage electrical line for electric motor with transmission and power electronics to high-voltage distributor. If the measured value is not OK. ↓ Detach the charger electrical line from the high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 18 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage electrical line from charger to high-voltage distributor. If the measured value is not OK. ↓ Detach high-voltage electrical line for high-voltage battery from high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 19 | Perform insulation resistance measurement at high-voltage plug (2) again | AR54.10-P-1160-01LF | |
| 000 588 00 19 00 Insulation measuring unit | WS54.00-P-0046B | ||
| If the measured value is OK. ↓ Replace high-voltage distributor. If the measured value is not OK. ↓ Replace high-voltage electrical line from high-voltage battery to high-voltage distributor. |
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| AR54.10-P-1400NKE | |||
| 20 | Remove test adapter (1) and connect detached electrical connections | ||
| 21 | Connect ground line to battery | ||
| Notes on battery | AH54.10-P-0001-01A |