Test 14: Activation Of Combination Control Module By Sun Roof Switch (Open Function)

Using Adapter (140 589 12 63 00), connect Breakout Box (129 589 00 21 00) to combination control module. See Figure. With ignition switch in OFF position, open sun roof fully. Measure voltage between ground and terminal No. 71 at breakout box. Press sun roof switch to OPEN position, 3-5 volts should exist. If 3-5 volts does not exist, check wiring. See WIRING DIAGRAMS . Check sun roof switch. Replace or repair as necessary.