4-22
17 WAITING FOR NODE
Condition for error detection
Communication failure in the can-bus.The alarm appears if the traction logic unit has identified a delay in
the data transmission from the I/O board, the traction logic unit or armrest board.
- Check if the alarm appears in combination with others alalms. In this case, this alarm is consequent.
- Check the dashboard’s alarms, before replacing any cards
If the alarm appears alone:
- check the can bus connector: all wires must be well connected in both the side of the wiring loom. The
alarm can be generated by a false contact
- if the above tests are negative replace the logic unit
18 AUX OUTPUT KO - UNUSED
19 DRIVER SHORTED
Condition for error detection
Verify:
- The state of the wiring harness and the connectors:
• on the contactor CT2
• on the connector J50 pin 1 and 8
• on the connector JT pin 16 and 17
- The state of the contactor CT2 coil (standard 45 ohm).
- That between pin 16, connector JT and the GND (-BATT) there is no continuity.
Replace the logic unit.
20 CONTACTOR DRIVER
Condition for error detection
Failure on the CT2 contactor driver.
Verify:
- The state of the wiring harness and the connectors:
• on the contactor CT2
• on the connector J50 pin 1 and 8
• on the connector JT pin 16 and 17
- The state of the contactor CT2 coil (standard 45 ohm).
- That between pin 16, connector JT and the GND (-BATT) there is no continuity:
Replace the logic unit.
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