Measurement 4

WARNING: Incorrect handling of high-voltage components

Electric shock
Short circuit
Fire
Explosion
→ Only appropriately trained and authorised persons are permitted to work on high-voltage vehicles and components.

→ Required qualification: High voltage technician or high voltage expert.

→ Observe national requirements and legislation for this work.

→ Always use insulated tools, e.g. > VAS 6883 - Insulated Tool Set when working on these components.

→ Observe general warning notes for working on the high-voltage system.

> 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE SYSTEM

Preliminary work for measurement 4

(Check: High-voltage distributor, passenger compartment heater, electric drive motor, front power electronics, high-voltage line from high-voltage distributor to high-voltage charger)

Remove luggage compartment liner.
> 501919 REMOVING AND INSTALLING LUGGAGE COMPARTMENT LINER - on "Removing"
Release and disconnect high-voltage line (from high-voltage charger to charging socket).

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High-voltage line from high-voltage charger to charging socket
Release and disconnect high-voltage line (from high-voltage distributor to high-voltage charger) at the high-voltage charger.

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High-voltage line from high-voltage distributor to high-voltage charger
Connect high-voltage test adapter > VAS 6558/9-6A - High-voltage test adapter at the high-voltage distributor (passenger compartment heater connection).

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Measurement 4
Perform measurement 4.
1. 5.1 Setpoint value ≥ 1.1 MOhm
Evaluate measured result
1. 6.1 If the measured value is within the setpoint value range, continue with measurement 10 .
2. 6.2 If the measured value is outside of the setpoint value range, continue with measurement 5 .