LEMON Manuals: Even more car manuals for everyone
Home >> Jaguar >> 1996 >> XJS >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Pin Voltage Test

Pin Voltage Test

TESTING CRUISE CONTROL ECU CIRCUITS (1)

Pin No. (Wire Color) Function/Description Voltage: Power ON Voltage: Power OFF
01-Input Light Green /Yellow Ignition Switched Power 12V 0V
03-Output Yellow/Purple Cruise Vacuum Control Pump 12V 0V
06-Input White/Yellow Road Speed AC Volts Increase W/Speed Less Than 1V
10-Output Yellow/Black Cruise Vacuum Duty Cycle Valve Ground 12V
11-Input Black/Pink Power Ground Ground Ground
12-Input Yellow/Red Brake/Gear Select Switch "D","2","1": 12V "P","R","N": 0V
14-Output Yellow/Orange Cruise Dump Valve (Closed) 0.5V (Open) 12V
15-Input Green/Black Brakelight Switch (Brake ON) Ground (Brake OFF) 12V
17-Input Blue Push Cruise SET/RESUME SET 100 Ohm/Resume300 Ohm Open Circuit
20-Input Yellow/White Cruise Vacuum Control Pump Ground Open Circuit
(1) Measure voltage between ground and specified ECU connector pin. Repair open or short in specified circuit and/or replace switch if necessary. If specified result is okay, replace ECU and retest.