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Jaguar
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1998
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XJR (X308) V8-4.0L SC (AJ26)
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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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P Code Charts
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P1638
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K4: Check Inst 'J' Gate Link
K4: Check Inst 'J' Gate Link
Locate connectors CC014 ('J' GATE)
-
Are pins CC014/003 or CC014/004 backed out or bent?
No
GO to
K5
K5: Check INST To 'J' Gate Continuity
Yes
Repair pin fault and test the system for normal operation.