ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY) - 5E-7590-823225--1 1096
EFI System / Ignition Relay Check (Continued)
(2 of 2)
• IGNITION “ON.”
• USING A TEST LIGHT CONNECTED TO
GROUND, PROBE IGNITION COIL
CONNECTOR TERMINAL “B.”
• LIGHT SHOULD BE “ON.”
IS IT?
1
3
NO YES
NOYES
• CONNECT TEST LIGHT TO BATTERY POSITIVE
(B+) AND PROBE RELAY CONNECTOR CAVITY “85.”
• TEST LIGHT SHOULD LIGHT. DID IT?
REPAIR OPEN OR SHORT
TO GROUND IN CIRCUIT
THAT DID NOT LIGHT
NOYES
• CHECK RELAY CONNECTOR FOR
POOR CONTACT OR
CORROSION. IF OK, REPLACE
SYSTEM RELAY.
REPAIR OPEN OR GROUND
CKT 150 AND RETEST
4
2
REFER TO “IGNITION
SYSTEM CHECK” CHART
• IGNITION “OFF.”
• REMOVE SYSTEM RELAY CONNECTOR.
• IGNITION “ON.”
• WITH TEST LIGHT STILL CONNECTED TO
GROUND, PROBE RELAY CONNECTOR
CAVITIES “86” AND “30.”
• TEST LIGHT SHOULD LIGHT “ON” BOTH
TERMINAL CAVITIES.
DID IT?
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