Test Description

The number below refers to the step number on the diagnostic table. See Fig 1 and Fig 2

1. 3
   
   Tests for the proper operation of the circuit in the low voltage range.

Fig 1: DTC P0463 Testing (Steps 1-3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P0463 Testing (Steps 4-12)

Courtesy of GENERAL MOTORS CORP.