Removal |
|
1. |
Shut off the High Voltage circuit. (Refer to Hybrid Control System - “High Voltage Shutoff Procedure”) |
2. |
Remove the power relay assembly. (Refer to High Voltage Battery System - "Power Relay Assembly (PRA)") |
3. |
Remove the main relay (A). [Main Relay (-)]
[Main Relay (+)]
|
Installation |
|
1. |
Install the main relay in the reverse order of removal. |
Inspection |
|
Checking for Welding in the High Voltage Main Relay |
[Using KDS/GDS service data to check for main relay weld damage]
1. |
Connect the KDS/GDS to the Data Link Connector (DLC). |
2. |
Switch "ON" the ignition. |
3. |
Check for BMS welding damage from KDS/GDS service data. |
[Using a Multimeter to measure weld damage]
1. |
Shut off the high voltage. (Refer to "High Voltage Shut-off Procedures") |
2. |
Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly") |
3. |
Remove the rear door scuff trim. (Refer to Body - "Door Scuff Trim") |
4. |
Remove the inlet cooling duct. (Refer to High Voltage Battery Cooling System - "Cooling Duct") |
5. |
Measure the high voltage main relay resistance and check for signs of weld damage.
|
High voltage main relay (-) switch resistance |
[Use multi tester (relay OFF)]
This inspection method using a multi-tester is conducted with high voltage (-) relay turned OFF. |
1. |
Shut off the high voltage. (Refer to "High Voltage Shut-off Procedures") |
2. |
Remove the side luggage form(LH). (Body - "Trunk Trim") |
3. |
Remove the high battery top cover. (High Battery System -"Case") |
4. |
Measure the resistance between the high voltage power terminal (-) and the inverter power terminal (-).
|
5. |
If the measured resistance is not within the specification, replace the main relay (-) by referring to repair procedures. |
[Circuit inspection (Relay ON)
Inspect the high voltage main relay (-) activated by KDS/GDS. |
1. |
Connect the KDS/GDS to the Data Link Connector (DLC). |
2. |
Switch "ON" the ignition. |
3. |
Activate the main relay by using "Actuation Test" on the KDS/GDS as shown in the illustration below.
|
High Voltage Main Relay Coil Resistance |
1. |
Shut off the high voltage. (Refer to "High Voltage Shut-off Procedures") |
2. |
Remove the power relay assembly. (High Battery System - "Power Relay Assembly") |
3. |
Check for continuity between the terminals using an ohmmeter.
|
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