XJR (X308) V8-4.0L SC (AJ26) (1998)
B5: CHECK HARNESS CONTINUITY
NOTE: Do not reconnect electronic throttle body connectors PI042 and PI006.
Ignition switch to position 0
Disconnect EM010
Inside ECM housing
Measure the resistance between the ECM connector EM010/020 and the ECT connector PI004/001.
-
Is the resistance < 0.5 Ohms?
Yes
GO to [B6]
No
Inspect harness/connector EM010/020, PI004/001, PI001/006 and splices EMS02/PIS01 for corrosion, damage, bent or pushed back pins.
Repair as required and reconnect all connectors. Test the system for normal operation.
B6: CHECK FOR SHORT TO B+
Ignition switch to position 0
Disconnect EM011
Inside ECM housing
Ignition switch to position 11