APPARENT HYDRAULIC DIAGNOSTIC CENTER (HDC) SYSTEM PROBLEM - Continued
Check for 28 VDC at Y-connector terminal going to master relay.
Remove "Y" -connector (Figure 18, Item 1) from in-line connector (Figure 18, Item 2). Power up vehicle.
Check for 28 VDC on "Y"-connector terminal coming from master relay (wiring harness 12357211).
Hydraulic Diagnostic Center (HDC) System Power Input Circuit Components.
Is 28 VDC present at input to "Y"-connector from wiring harness 12357211 coming from master relay?
YES - Go to Step (19).
NO - Troubleshoot portion of vehicle electrical system associated with wiring harness 12357211 coming from
master relay and repair/replace wiring or components as necessary.