terminal No. 2 (Purple wire). If continuity exists, go to next step. If continuity does not exist, go to step
17 .
12. On models equipped with diesel engine, disconnect Powertrain Control Module (PCM) connectors
located under right side of instrument panel behind glove box. On models equipped with gasoline engine,
disconnect Vehicle Control Module (VCM) connectors located underhood on left inner fenderwell. On all
models, observe reading with DVOM still connected between ground and DLC connector terminal No. 2
(Purple wire). If continuity exists, go to step 15 . If continuity does not exist, go to step 17 .
13. Disconnect Green 16-pin Electronic Variable Orifice/Passlock (EVO/Passlock) module connector,
located under center of instrument panel. Observe reading with DVOM still connected between ground
and DLC connector terminal No. 2 (Purple wire). If continuity exists, go to next step. If continuity does
not exist, go to step 17 .
14. Disconnect Natural 32-pin Transfer Case Control Module (TCCM) connector, located under left side of
instrument panel on steering column support bracket. Observe reading with DVOM still connected
between ground and DLC connector terminal No. 2 (Purple wire). If continuity exists, go to step 16 . If
continuity does not exist, go to step 17 .
15. Repair short to ground in Purple wire between and Light Gray 36-pin engine-to-instrument panel harness
connector, located in left rear corner of engine compartment. See appropriate wiring diagram in DATA
LINK CONNECTORS article in WIRING DIAGRAMS. After repairs, go to step 18 .
16. Repair short to ground in Purple wire between DLC, EVO/Passlock module, TCCM and Light Gray 36-
pin engine-to-instrument panel harness connector, located in left rear corner of engine compartment. See
appropriate wiring diagram in DATA LINK CONNECTORS article in WIRING DIAGRAMS. After
repairs, go to step 18 .
17. Replace the last control module that was disconnected. See appropriate procedure under REMOVAL &
INSTALLATION . Go to next step.
18. Clear DTCs using scan tool. Operate vehicle under conditions for running specific DTC. If DTC resets,
go to step 1 .
2000 Cadillac Escalade
2000 ACCESSORIES & EQUIPMENT' 'Body Control Modules - Escalade, Tahoe & Yukon Denali
Microsoft
October-22-10 7:55:08 PM Page 8 ©
2005 Mitchell Repair Information Company, LLC.
