24 Way Connector

ECU CONNECTORS AND FUNCTIONS

CAV CIRCUIT FUNCTION
1 YL ECU fault code output, 12 volt pulses
2 DG/WT SCI change terminal (grounded by DRBII adapter to change pin 1 to I/O port) Pin 1 then becomes SCI transmit & receive on one wire
3 OPEN
4 WT Oxygen sensor voltage 0-1 volt with digital voltmeter
5 DB/WT 12 volts to power steering switch, 0 volts with high steering pressure
6 OPEN
7 DG/RD A/C switch sense, 12 volts when A/C is on
8 DB/YL Intake air temperature sensor input
9 OPEN
10 WT/BK 5 volts out to air flow sensor
11 OPEN
12 WT/YL 5 volts out ignition timing adjust terminal ground to set timing
13 BK/DB Fuel Pump check signal
14 YL/RD 12 volts to idle switch, grounded with closed throttle
15 LG/BK California only, EGR temp. sensor input
16 PK Barometric pressure sensor input, 4 volts key "ON" at sea level
17 BK Sensor ground
18 YL/WT 5 volts out to speed sensor, 0 or 5 volts
19 DG/WT TPS voltage input
20 YL/DG Coolant sensor input
21 DB/WT Crank angle sensor input
22 DB/RD TDC sensor input
23 DG/VL 5 volt feed for ISC motor position sensor, TPS & barometric pressure sensor
24 BK Sensor ground