SECTION 2D - ELECTRONIC CLIMATE
CONTROL - DIAGNOSTICS
IMPORTANT
Before performing any Service Operation or other procedure described in this Section, refer to
Section 00 CAUTIONS AND NOTES for correct workshop practices with regard to safety and/or
property damage.
1. GENERAL DESCRI PTI O N
ECC Climate Control Diagnostics for WH Series Models carry over from VT Series models with the exception of
model and series references in some TECH 2 screens.
Reference to Section 2F AIR CONDITIONING - ECC DIAGNOSTICS of the VT Series I Service Information should be
made for items not covered in this Manual.
When using TECH 2 on a WH Series Model, ensure the correct Model Year and Vehicle Type is selected:
(X) 1999 (Y) 2000) WH Statesman & Caprice.
When diagnosing any circuit fault relating to the ECC on a WH Series Model, reference to the wiring diagrams in
Section 12P WIRING DIAGRAMS of the WH Service Information should be made.
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