FixVault

PCV Valve

WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 1994 GMC Yukon, 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Suburban, and 1994 GMC Rally Camper Special. However, it is still accessible from the selected car via links, so may be relevant.

The wrong PCV valve may cause incorrect idle speed.

CODE 35 TERMINAL & CIRCUIT WIRING IDENTIFICATION

Application PCM Terminal Wire Color
"C" & "K" Series
5.7L A/T
IAC Coil "A" Hi A3 LT BLU/WHT
IAC Coil "A" Lo A6 LT BLU/BLK
IAC Coil "B" Hi A8 LT GRN/WHT
IAC Coil "B" Lo A7 LT GRN/BLK
"G" Series
5.7L A/T
IAC Coil "A" Hi A3 LT BLU/WHT
IAC Coil "A" Lo A6 LT BLU/BLK
IAC Coil "B" Hi A8 LT GRN/WHT
IAC Coil "B" Lo A7 LT GRN/BLK
"P" Series
5.7L A/T
IAC Coil "A" Hi A3 LT BLU/WHT
IAC Coil "A" Lo A6 LT BLU/BLK
IAC Coil "B" Hi A8 LT GRN/WHT
IAC Coil "B" Lo A7 LT GRN/BLK
Fig 1: Code 35 Schematic (5.7L) Idle Speed Error
G91E07428
Fig 2: Code 35 Flow Chart (5.7L) Idle Speed Error
G91E07334