Connecting Breakout Box
Special tools:
See, see 9511508
See, see 9512888
See, see 9511428
Connecting breakout box
- Ignition off, wait for at least 1 minute
- Break the power supply to the trailer module (TRM) by disconnecting the battery negative lead
- Expose the trailer module (TRM)
- Disconnect the control module connectors
- Connect an adapter to connector B (cable harness side). To carry out this procedure, see 9511508
- Connect an adapter to connector C (cable harness side). To carry out this procedure, see 9512888
- Connect a breakout box to the adapter. To carry out this procedure, see 9511428 .
The breakout box is designed to facilitate reading off the input and output signals of the control module, when the control module is disconnected. The use of a breakout box reduces the risk of accidental short-circuited cables and damage to the connector pins.
Disconnecting breakout box
Disconnect the breakout box in reverse order.
NOTE:
It is important to connect the breakout box and check the ground terminals before taking readings.
The removed fuses must be reinstalled before the trailer module (TRM) can be checked and readings taken.
Other information
- See, see SIGNAL SPECIFICATION
- See, see BATTERY DISCONNECTING AND CONNECTING
- See CHECKING VOLTAGE / GROUND TERMINAL
- See, see TRAILER MODULE (TRM)