SERVICE INSTRUCTIONS
Repairs and Service to the Tow Assist system must be carried out by an AL-KO authorised technician.
Brake
Magnet
Service
Instructions
Check/Inspect
1. Inspect condition of brake magnet for damage or incorrect installation.
2. Inspect condition of brake magnet cable shielding and wire.
3. Check the brake Magnet is correctly connected/plugged into wiring harness.
4. Inspect condition of wiring from magnet connection to ECU for damage.
5. Check ground connection of brake magnet return wire. (Must have a common
ground with ECU).
Repair/Resolve Actions
1. Damaged wiring harness should be replaced or repaired correctly. Contact
your dealer or installer for questions about Tow Assist parts or service.
2. Brake magnet should be replaced or installation corrected if fault persists.
3. If fault persists once brake magnet replaced and harness is confirmed,
contact your dealer or installer for assistance.
Wheel
Speed
Sensor
Service
Instructions
Check/Inspect
1. Inspect condition of wheel speed sensor for damage or incorrect instillation.
2. Check the wheel speed sensor is mounted securely.
3. Inspect condition of tone wheel for damage or missing teeth.
4. Check tolerance between tone wheel and wheel speed sensor.
5. Check if wheel speed sensor is correctly plugged into wiring harness.
6. Inspect condition of wiring from wheel speed sensor to ECU for damage.
Repair/Resolve Actions
1. Damaged wiring harness should be replaced or repaired correctly. Contact
your dealer or installer for questions about Tow Assist parts or service.
2. Wheel speed sensor should be replaced or installation corrected.
3. Hub Drum should be replaced or repaired if damage is found.
4. If fault persists once wheel speed sensor replaced and harness is confir
med,
contact your dealer or installer for assistance.
Power
Supply
Service
Instructions
Check/Inspect
1. Check power supply voltage while charging.
2. Check power supply voltage when not being charged.
3. Check wiring and connection between the power supply and the ECU
Repair/Resolve Actions
1. Charge power supply to a good service level and check power supply
response under heavy braking (100% Manual Override).
2. Ensure all power connections are of sufficient power capacity.
3. Ensure power supply is rates sufficiently to support all power load on trailer.
4. Replace power supply with new batteries if unable to maintain suitable power
supply level.
7
alko.com.au
Summary of Contents for TOW ASSIST
Page 2: ...Tow Assist User Manual...