760 L4-2320cc 2.3L SOHC Turbo B23FT (1984)
Coolant Temperature Sensor/Switch (For Computer): All Technical Service Bulletins
CIS Valve - Check Procedures
Subject:
Product CONSTANT IDLE
STABILIZER -
CARS
(CIS) VALVE
B23F - LH II
Group
B230F - LH 2.2
ONLY
23
Date:
No.
FEBRUARY 1990
206
THIS BULLETIN APPLIES TO THE U.S. AND CANADA
REFERENCE:
TP 30427/1 (ENGLISH); B23F - LH-JETRONIC II SYSTEM TP 31074/1 (ENGLISH); B230F - LH-JETRONIC 2.2 SYSTEM
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
Checking the constant idle stabilizer valve
CIS valves must be checked carefully to prevent unnecessary replacement. Use the following procedures to determine if a fault actually exists.
Check the following:
-
throttle plate position and opening
-
throttle switch adjustment
-
temperature sensor operation
998-8190
999-9921
mono-tester
Connect test instrument 8190 and 9921
Turn ignition OFF. Remove right underdash panel and kick panel.
Release catch and fold down connector. Connect 8190 between control unit and connector using adapter 8191 as shown.
Warm-up engine to operating temperature (5 minutes after thermostat opens).