8
Instruments & Controls
MIL (Malfunction Indicator Lamp)
Always clean around the ECM and keep debris
away from the connectors before disconnecting
them.
A faulty PGM-FI system is often related to poorly
connected or corroded connections. Check the
following connections.
Remember, circuit inspection is not a “cure-all” for
other problems in your engine’s PGM-FI system.
Circuit Inspection
(1) MAP sensor connector
(2) ECT sensor connector
(3) TP sensor connector
(4) IAT sensor connector
(5) Injector connector
(6) No.1/No.2 CKP sensor connector
(7) ECM connector
(1)
(5)
(4)
(6)
(2)
(3)
(7)