XJR (X308) V8-4.0L SC (AJ26) (1998)
B4: CHECK HARNESS CONTINUITY
NOTE: To avoid a spurious result, disconnect connectors PI042 and PI006 (electronic throttle body) and PI035 (MAP meter).
Ignition switch to position 0
Disconnect EM010
Inside ECM housing
Measure the resistance between the ECM connector EM011/012 and the ECT connector PI004/001.
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Is the resistance < 0.5 Ohms?
Yes
GO to [B5]
No
Inspect harness/connector EM011/012, PI004/001, PI001/006 and splices EMS02/PIS01 for corrosion, damage, bent or pushed back pins.
Repair as necessary, reconnect all connectors. Test the system for normal operation.