Diagnostic Aids

Disregard DTC 23 if MIL goes out when throttle is returned to idle.

Fig 1: DTC 23, Schematic, TPS Misadjusted(C & K Series A/T & G Ser.)

Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC 23, Schematic, TPS Misadjusted (C & K Series (M/T))

Courtesy of GENERAL MOTORS CORP.

Fig 3: DTC 23, Flowchart, TPS Misadjusted

Courtesy of GENERAL MOTORS CORP.