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Nissan-Datsun
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1991
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Stanza L4-2389cc 2.4L SOHC MFI (KA24E)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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DTC 21
DTC 21
The ECU did not detect the ignition primary signal during starting or running.
�& Code 21 Ignition Signal Diagnostic Chart:
DIAGNOSTIC CHART IMAGE
Circuit Diagram:
CIRCUIT DIAGRAM IMAGE
Final Check:
"FINAL CHECK" IMAGE