1. Review 11 , 12 , 14 , 15 , 20 , 21 , 22 , 31 , 32 , 41 2. Remove A/C pushbutton control module (N22), see AR83.40-P-6350C. Upon completion of test, erase DTC memory from A/C pushbutton control module (see 15 ). Electrical wiring diagrams : Electrical Troubleshooting Manual, Model 129

Test equipment; See MBUSA Standard Service Equipment Program

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 77 III, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.

Connection Diagram - Socket Box Test Cable: 202 589 15 63 00 Figure 1 001 Left connector, A/C pushbutton control module 002 Test cable 003 Multimeter 004 Socket box N22 A/C pushbutton control module
		P83.40-0314-06

Connection Diagram - Socket Box Test Cable: 202 589 00 63 00 Figure 2 001 Left connector, A/C pushbutton control module 002 Test cable 003 Multimeter 004 Socket box N22 A/C pushbutton control module
		P83.40-0315-06