Chrysler Conquest 1988 Service Manual page 847

FUEL (ECI) SYSTEM
- Service Adjustment Procedures
14-53
.
FUEL PUMP DRIVE CONTROL SYSTEM INSPECTION
N14PKAA
(1) Disconnect the high tension cable from the ignition coil.
(2) Holding the fuel hose connected to the injection mixer with
a hard, crank the engine and check that pulsation of fuel
flow is felt to the hand.
NOTE
If no fuel flow pulsation is felt, check the ignition switch,
control relay and fuel pump.
BOOST METER CONTROL SYSTEM INSPECTION
N14PNAA
(1) Disconnect the vacuum hose (white stripe) from the
injection mixer and connect a vacuum gauge,to the nipple
(vacuum nipple "M").
(2) Make road test and check that the boost meter indication
nearly agrees with the vacuum gauge indication.
(3) If the indication deviates greatly, check the harness for
open or short circuit and also check the boost meter, air
flow sensor and engine speed sensor.
SECONDARY AIR CONTROL SYSTEM INSPECTION
N14POAA
Refer to GROUP 25 EMISSION CONTROL SYSTEMS.
EGR CONTROL SYSTEM INSPECTION
N14PPAA
Refer to GROUP 25 EMISSION CONTROL SYSTEMS.
ECI SYSTEM INSPECTION BY USING ECI CHECKER
N14PDBC
The electric system of ECI system can be quickly inspected and
maintained if the electric input and output sign.als of ECU are
checked by ECI checker and the component whose abnormal-
ity is indicated by the signal and the harness connected
between ECU and the component is checked as well.
Using the special tools (EC1 harness connector A and ECI
checker), perform the ECI system checks by the following
procedure.
Caution
Perform these checks after completion of all steps in the
preceding "CHECK PROCEDURE (SELF-DIAGNOSIS)".