Preparation for Test: 1. Remove A/C pushbutton control module (N19), see AR83.25-P-1120F 2. Review "Connection Diagram - Socket box", 22 /2 Upon completion of test, erase DTC memory from A/C pushbutton control module (N19) (see section 0). Electrical wiring diagrams: Electrical Troubleshooting Manual, Model 202/208, Vol. 2, Group 83.

Test equipment; See MBUSA Standard Service Equipment Program

Description	Brand, model, etc.
Digital multimeter	Fluke models 23, 77 III, 83, 85, 87