Inspection Procedure

INSPECT MULTIPLEX NETWORK SWITCH ASSY

Remove the switch.

Measure the resistance of the switch when the switch is operated.

Standard:

SPECIFIED CONDITION

Switch Condition	Tester Connection	Specified Condition
AUTO UP	1 (D) - 7 (E) 6 (U) - 12 (BW)	Below 1 Ω
UP	1 (D) - 7 (E) 6 (U) - 12 (BW)	Below 1 Ω
OFF	1 (D) - 7 (E) 6 (U) - 7 (E)	Below 1 Ω
DOWN	6 (U) - 7 (E) 1 (D) - 12 (BW)	Below 1 Ω
AUTO DOWN	6 (U) - 7 (E) 1 (D) - 12 (BW)	Below 1 Ω

Fig 1: Identifying Multiplex Network Switch Terminals

G02975667

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NG: REPLACE MULTIPLEX NETWORK SWITCH ASSY
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )