Code 12: (Throttle Sensor)

WARNING: This page is about a different car, the 1994 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

THROTTLE POSITION SENSOR WIRE COLORS

Terminal	Wire Color
"A"	BLK/BLU
"C"	RED/BLK
"D"	LT. GRN/WHT

Fig 1: Trouble Code No. 12 Diagnostic Chart (Throttle Sensor)

Courtesy of MAZDA MOTORS CORP.