Perform measurement of insulation resistance - AR54.10-P-4000LFH
MODEL 222.163
MODIFICATION NOTES
| 18.8.15 | Change and extension to individual operation steps | Operation steps 1 to 39 |
Shown here as test on high-voltage battery charger
Fig 6: DC/DC Converter, High-Voltage Battery Charger And Connections - Shown Here As Test On High-Voltage Battery Charger
Shown as test on DC/DC converter
Fig 7: DC/DC Converter, High-Voltage Battery Charger And Connection - Shown As Test On DC/DC Converter
Shown as test on high-voltage distributor
| 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 | |
| Note on high-voltage battery | AH54.10-P-0006-01MEV | ||
| 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-1039LFH | |
| 2 | Detach ground line from battery | AR54.10-P-0003LF | |
| 3 | Remove paneling in luggage compartment | AR68.30-P-4600LF | |
| 4 | Plug test adapter to connection (12) DC/DC converter of high-voltage battery (1) | Figure | |
| Figure | |||
| 5 | Perform insulation resistance measurement at test adapter | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ Proceed with operation step 6 If the measured value is < 1 MΩ ↓ |
Figure | ||
| Replace high-voltage battery (1) | AR54.10-P-1140LFH | ||
| 6 | Detach test adapter from connection (12) DC/DC converter of high-voltage battery (1) | Figure | |
| 7 | Plug test adapter onto connection (13) for high-voltage battery charger of high-voltage battery (1) | Figure | |
| 8 | Perform insulation resistance measurement at test adapter | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ Proceed with operation step 9 If the measured value is < 1 MΩ ↓ |
Figure | ||
| Replace high-voltage battery (1) | AR54.10-P-1140LFH | ||
| 9 | Detach test adapter from connection (13) for high-voltage battery charger of high-voltage battery (1) | Figure | |
| 10 | Plug test adapter onto connection (2) of high-voltage battery (1) | AR08.00-P-0101-01LFH | |
| Figure | |||
| 11 | Perform insulation resistance measurement at test adapter | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ Continue with operation step 12 If the measured value is < 1 MΩ ↓ |
Figure | ||
| Replace high-voltage battery (1) | AR54.10-P-1140LFH | ||
| 12 | Detach test adapter from connection (2) of high-voltage battery (1) | Figure | |
| 13 | Measure insulation resistance at DC/DC converter high-voltage plug (4) | If the measured value is > 1 MΩ | AR54.10-P-1160-01LF |
| ↓ Continue with operation step 17 If the measured value is < 1 MΩ ↓ Detach high-voltage electrical line from DC/DC converter (14) and continue with operation step 14 |
AR54.10-P-1350LFH | ||
| 14 | Fit test adapter onto connection (16) of DC/DC converter (14) | Figure | |
| 15 | Measure insulation resistance at test adapter for DC/DC converter (14) | If the measured value is < 1 MΩ ↓ Replace DC/DC converter (14) |
AR54.10-P-1160-01LF |
| If the measured value is > 1 MΩ ↓ |
AR54.10-P-1350LFH | ||
| Replace high-voltage electrical line between DC/DC converter (14) and high- voltage battery (1) | AR54.10-P-1350LFH | ||
| 16 | Detach test adapter from connection (16) for DC/DC converter (14) | Figure | |
| 17 | Perform insulation resistance measurement at high-voltage plug on high-voltage battery charger (5) | If the measured value is > 1 MΩ ↓ Continue with operation step 21 If the measured value is < 1 MΩ ↓ Detach high-voltage plug from high-voltage battery charger (15) and continue with operation step 18 |
AR54.10-P-1160-01LF |
| 18 | Plug test adapter onto connection (17) for high-voltage battery charger (5) | Figure | |
| 19 | Measure insulation resistance at test adapter on high-voltage battery charger (15) | If the measured value is < 1 MΩ ↓ Replace high-voltage battery charger (15) |
AR54.10-P-1160-01LF |
| If the measured value is > 1 MΩ ↓ Replace high-voltage electrical line between high-voltage battery charger (15) and high- voltage battery (1) |
AR54.10-P-5106LFH | ||
| 20 | Detach test adapter from connection (17) of high-voltage battery charger (15) | Figure | |
| 21 | Measure insulation resistance at high-voltage plug (3) on high-voltage battery (1) | If the measured value is < 1 MΩ ↓ Detach high-voltage plug (6) from high-voltage distributor (8) and continue with operation step 22 If the measured value is > 1 MΩ ↓ Continue with operation step 34 |
AR54.10-P-1160-01LF |
| 22 | Fit test adapter onto connection (18) for high- voltage distributor (8) | AR08.00-P-0101-01LFH | |
| Figure | |||
| 23 | Perform insulation resistance measurement at test adapter | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ |
Figure | ||
| Replace high-voltage electrical line between high-voltage battery (1) and high-voltage distributor (8) If the measured value is < 1 MΩ ↓ Continue with operation step 24 |
|||
| 24 | Detach high-voltage plug (7) from high-voltage distributor (8) | ||
| 25 | Perform insulation resistance measurement at test adapter again | AR54.10-P-1160-01LF | |
If the measured value is < 1 MΩ ↓ Continue with operation step 28 If the measured value is > 1 MΩ ↓ |
Figure | ||
| Detach high-voltage plug (11) from high- voltage PTC heater (10) and continue with operation step 26 | AR83.70-P-8001LFH | ||
| 26 | Fit high-voltage plug (7) onto high-voltage distributor (8) | Detach high-voltage plug (11) from high voltage PTC heater (10). | |
| 27 | Perform insulation resistance measurement at test adapter again | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ Replace high voltage PTC heater (10) |
Figure | ||
| If the measured value is < 1 MΩ ↓ Replace high-voltage electrical line between high-voltage PTC heater (10) and high-voltage distributor (8) |
AR83.70-P-8001LFH | ||
| 28 | Disconnect high-voltage plug on electrical A/C compressor | AR83.55-P-5311LFH | |
| 29 | Measure insulation on test adapter again | AR54.10-P-1160-01LF | |
If the measured value is > 1 MΩ ↓ Replace electric refrigerant compressor |
Figure | ||
| If the measured value is < 1 MΩ ↓ |
AR83.55-P-5311LFH | ||
| Detach high-voltage distributor (8) from power electronics (9) and continue with operation step 30 | AR08.20-P-0011LF | ||
| 30 | Measure insulation on test adapter again | With power electronics (9) detached from high- voltage distributor (8) | AR54.10-P-1160-01LF |
If the measured value is < 1 MΩ ↓ Replace high-voltage distributor (8) |
Figure | ||
| If the measured value is > 1 MΩ ↓ Continue with operation step 31 |
AR54.10-P-1400LF | ||
| 31 | Measure insulation resistance at contacts (U1 or V1 or W1) for the power electronics (9) | If the measured value is < 1 MΩ ↓ Replace power electronics (9) |
AR54.10-P-1160-01LF |
| If the measured value is > 1 MΩ ↓ Continue with operation step 32 |
AR08.20-P-0011LF | ||
| 32 | Measure insulation resistance on contacts (U or V or W) of high-voltage distributor (8) | If the measured value is > 1 MΩ ↓ Continue with operation step 34 |
AR54.10-P-1160-01LF |
| If the measured value is < 1 MΩ ↓ |
AR08.10-P-0012EH | ||
| Detach high-voltage plug from automatic transmission and continue with operation step 33 | AR27.10-P-0502LFH | ||
| 33 | Measure insulation resistance on contacts (U or V or W) of high-voltage distributor (8) again | Detach high-voltage plug from automatic transmission. If the measured value is > 1 MΩ ↓ |
AR54.10-P-1160-01LF |
| Replace electrical machine If the measured value is < 1 MΩ ↓ |
AR08.10-P-0012EH | ||
| Replace high-voltage distributor (8) | AR54.10-P-1400LF | ||
| 34 | Remove test adapter | Figure | |
| Figure | |||
| 35 | Connect open electrical connections | ||
| 36 | Attach ground line to battery | AR54.10-P-0003LF | |
| 37 | Install paneling in trunk | AR68.30-P-4600LF | |
| 38 | Perform restart procedure for high-voltage on- board electrical system | AR54.10-P-1039LFH |