Diagnostic Trouble Codes (DTCs) (continued)
1st | 2nd | Fault Description |
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Digit | Digit |
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| J1587 Diagnostic |
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J1587 J1587 (SID) (FMI)
12
1 J1587 diagnostics shorted or open | • Check for corroded/damaged wiring or connectors |
| between the ECU and J1587 Diagnostic. |
| • Verify the following: |
| - At the |
| (a) Continuity of the J1587 Diagnostic wiring to the |
| lamp (auxiliary device). |
| (b) +12V is not measured at J1587 Diagnostic lead. |
| - At J1587 Diagnostic connector: |
| (a) No continuity of the J1587 Diagnostic lead to |
| ground. |
| (b) No continuity from J1587 Diagnostic lead to any |
| other ECU pin(s). |
| (c) Replace/repair J1587 Diagnostic wiring or |
| components as required. |
Trailer-Mounted ABS Indicator Lamp
2503, 4, 5 or 12
13
1 ABS lamp shorted or open
•Check for corroded/damaged wiring or connectors between the ECU and ABS Indicator Lamp.
•Verify the following:
-At the
(a)Continuity of the ABS Indicator Lamp wiring to the lamp (auxiliary device).
(b)+12V is not measured at ABS Indicator Lamp lead.
-At ABS Indicator Lamp connector:
(a)No continuity of the ABS Indicator Lamp lead to ground.
(b)No continuity from ABS Indicator Lamp lead to any other ECU pin(s).
(c)Replace/repair ABS Indicator Lamp wiring or components as required.
813, 4, 5 or 12
12
