FixVault

PCV Valve

The wrong PCV valve may cause incorrect idle speed.

CODE 35 TERMINAL & CIRCUIT WIRING IDENTIFICATION

Engine Application ECM/PCM Terminal Wire Color
"C" & "K" Series
7.4L
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
7.4L 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
7.4L 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 (All Models) Idle Speed Error
G91E07428
Fig 2: Code 35 Flow Chart (All Models) Idle Speed Error
G91E07334