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5 CHECK INJECTORS
1. Refer to Wiring Diagram for Injectors, EC-568.
2. Stop engine and then turn ignition switch ON.
3. Check voltage between ECM terminals 102, 104, 109 and 111 and ground with CONSULT-II or tester.
SEF189V
Battery voltage should exist.
OK or NG
OK 䊳 GO TO 6.
NG 䊳 Perform “Diagnostic Procedure” INJECTOR, EC-569.
6 CHECK IGNITION SPARK
1. Disconnect ignition wire from spark plug.
2. Connect a known good spark plug to the ignition wire.
3. Place end of spark plug against a suitable ground and crank engine.
4. Check for spark.
SEF282G
OK or NG
OK 䊳 GO TO 8.
NG 䊳 GO TO 7.
DTC P0420 THREE WAY CATALYST FUNCTION
KA24DE
Diagnostic Procedure (Cont’d)
EC-350
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