FIGURE 2 - POWER LINE WITHOUT PLC SIGNAL
FIGURE 3 - POWER LINE WITH PLC SIGNAL
Suggested oscilloscope settings are (AC coupling, 1 volt/ div, 100 µsec/div). The signal should be measured on pin 7 of the J560 connector at the nose of the trailer.
PIGTAIL WIRING HARNESSes
Several pigtail wire harnesses are available to connect the
The following connector options may be present:
Modulator 2 (MOD2), Modulator 3 (MOD3), auxiliary, diagnostic, and additional axle wheel speed sensors.
Note: All
ECU Connectors
Standard
Premium
|
|
|
|
|
| |
| Wheel Speed |
|
|
|
|
|
| Sensor |
|
|
|
|
|
Connectors |
|
|
|
| ||
(SAL & SAR) |
|
|
|
| ||
Indicator |
|
|
|
|
|
|
Lamp (POWER/ |
|
|
|
|
|
|
WL) |
|
|
|
|
|
|
|
|
|
|
|
| |
(MOD2) |
|
|
|
|
|
|
|
|
|
| Premium Pigtail Harness |
| |
|
|
| (4S/2M with diagnostic) |
| ||
|
|
|
|
|
| |
| Auxiliary |
|
|
|
|
|
| (Optional) |
|
|
|
|
|
|
|
|
|
|
| |
(MOD3) (Optional) |
|
|
|
|
|
|
5XXX.... |
|
|
|
|
| B |
|
|
|
| 5XXX... | A | E |
|
|
|
|
|
| |
|
|
|
|
| D | C |
To | To BR9235™ ABS Modulator |
|
|
| ||
Pigtail | Relay Valve | Indicator Lamp |
|
|
| |
|
| Connector |
| |||
|
| (POWER/WL) | Optional |
|
| |
Modulator Extension Harness |
|
|
|
| ||
|
| Standard Pigtail Harness |
| |||
|
|
| Diagnostic |
| ||
To Diagnostic | To |
|
| (2S/1M) with optional diagnostic |
| |
|
|
|
|
| ||
Tool | Pigtail |
|
|
|
|
|
5XXX... |
|
|
|
|
|
|
Diagnostic Tool Harness | To ECU or Pigtail | Wheel Speed Sensor | To |
| ||
| Extension Harness | Speed Sensor |
| |||
|
|
|
|