Circuit Inspection - Honda CRF450RX 2020 Owner's Manual & Competition Handbook

MIL (Malfunction Indicator Lamp)

Circuit Inspection

Always clean around the ECM and keep debris
away from the connectors before disconnecting
them.
(5)
A faulty PGM-FI system is often related to poorly
connected or corroded connections. Check the
following connections.
(1) MAP sensor connector
(2) ECT sensor connector (1)
(7)
(3) TP sensor connector
(4) IAT sensor connector
(3)
(5) Injector connector
(6) CKP sensor connector
(7) ECM connector
(8) GP sensor connector
Remember, circuit inspection is not a "cure-all" for
other problems in your engine's PGM-FI system.
(4)
(2)
(8)
(6)
8
Instruments & Controls