FI SYSTEM 5-1
5
FI SYSTEM
CONTENTS
PRECAUTIONS IN SERVICING....................................................................5- 3
CONNECTOR/COUPLER .......................................................................5- 3
FUSE .......................................................................................................5- 4
ECM/VARIOUS SENSORS .....................................................................5- 4
ELECTRICAL CIRCUIT INSPECTION PROCEDURE............................5- 6
USING THE MULTI-CIRCUIT TESTER ..................................................5- 9
FI SYSTEM TECHNICAL FEATURES ..........................................................5-10
INJECTION TIME (INJECTION VOLUME) .............................................5-10
COMPENSATION OF INJECTION TIME (VOLUME) .............................5-11
INJECTION STOP CONTROL ................................................................5-11
FI SYSTEM PARTS LOCATION ...................................................................5-12
FI SYSTEM WIRING DIAGRAM .............................................................5-14
ECM TERMINAL............................................................................................5-15
SELF-DIAGNOSIS FUNCTION .....................................................................5-16
USER MODE ...........................................................................................5-16
DEALER MODE ......................................................................................5-17
TPS ADJUSTMENT ................................................................................5-19
FAIL-SAFE FUNCTION .................................................................................5-20
FI SYSTEM TROUBLESHOOTING...............................................................5-21
CUSTOMER COMPLAINT ANALYSIS...................................................5-21
VISUAL INSPECTION.............................................................................5-22
SELF-DIAGNOSTIC PROCEDURES......................................................5-23
SELF-DIAGNOSIS RESET PROCEDURE .............................................5-23
USE OF SDS DIAGNOSTIC PROCEDURES .........................................5-24
USE OF SDS DIAGNOSIS RESET PROCEDURE .................................5-25
SHOW DATA WHEN TROUBLE
(DISPLAING DATA AT THE TIME OF DTC) ..........................................5-26
MALFUNCTION CODE AND DEFECTIVE CONDITION ........................5-27
“C12” (P0335) CKP SENSOR CIRCUIT MALFUNCTION .....................5-30
“C13” (P1750) or “C17” (P0105) IAP SENSOR CIRCUIT
MALFUNCTION.......................................................................................5-33
“C14” (P0120-H/L) TP SENSOR CIRCUIT MALFUNCTION .................5-37
“C15” (P0115-H/L) ECT SENSOR CIRCUIT MALFUNCTION...............5-42
ECT SENSOR INSPECTION...................................................................5-46
“C21” (P0110-H/L) IAT SENSOR CIRCUIT MALFUNCTION ................5-47
“C23” (P1651-H/L) TO SENSOR CIRCUIT MALFUNCTION.................5-52
“C24” (P0351) or “C25” (P0352) IGNITION SYSTEM
MALFUNCTION.......................................................................................5-55
“C28” (P1655) STV ACTUATOR CIRCUIT MALFUNCTION.................5-56
“C29” (P1654-H/L) STP SENSOR CIRCUIT MALFUNCTION...............5-59
“C31” (P0705) GP SWITCH CIRCUIT MALFUNCTION.........................5-64
SAMPLE
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