Installation Guide - Dana Corporation
Installation Guide - Dana Corporation
Installation Guide - Dana Corporation
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Troubleshooting<br />
ECU in Diagnostic Mode (Blink Codes)*<br />
1st Digit 2nd Digit Description Possible Causes<br />
1 Leaking tire** Repeated inflates of a slow leak in tire or wheel<br />
assembly<br />
1<br />
2 Tire pressure low** Tire pressure more than 10% (typical) below target pressure;<br />
Significant air line leak or hose disconnected<br />
4<br />
5<br />
2 1<br />
Line leak<br />
Supply pressure<br />
low<br />
6 Maximum inflate time<br />
Air line is leaking between manifold and wheel-end;<br />
Very low tire<br />
Supply pressure inadequate to check tire pressures for greater<br />
than 24 hours<br />
System has been continuously inflating for over 2 hours but<br />
has not reached target<br />
7 System vent failure System unable to depressurize air lines. Check valve or manifold<br />
contamination. Pressure sensor ground wire disconnected.<br />
Pressure target out of<br />
range<br />
Programmed tire pressure target is outside allowable<br />
range (80-125 psig)<br />
1 ECU memory failure Faulty ECU (possible lost historical data)<br />
Atmospheric reading System defaults to 14.5 psi reference pressure<br />
2<br />
failure<br />
4<br />
3 No target pressure New installation-target pressure must be programmed<br />
4 No sensor signal Pressure sensor wiring disconnected or faulty<br />
5 Low voltage Trailer supply voltage too low for normal operation<br />
End of service code<br />
5 5<br />
listing<br />
1 Lamp-open circuit Disconnected or faulty wire harness, lamp or ECU<br />
2 Lamp-short circuit Faulty wire harness, lamp or ECU<br />
6 3 Solenoid 1-open circuit Disconnected or faulty wire harness, solenoid or ECU<br />
4 Solenoid 1-short circuit Faulty wire harness, solenoid or ECU<br />
5 Solenoid 2-open circuit Disconnected or faulty wire harness, solenoid or ECU<br />
6 Solenoid-2-short circuit Faulty wire harness, solenoid or ECU<br />
*Note: The warning lamp will turn ON continuously for 5 seconds when entering the diagnostic mode.<br />
The lamp will then flash any active two-digit blink codes.<br />
**Note: Following repair of the leaking tire, check all other tires manually for correct tire pressure. If the<br />
system has been maintaining pressure in a leaking tire for an extended period of time, the other tires<br />
may now be slightly above target pressure.<br />
31
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