XJR (X308) V8-4.0L SC (AJ26) (1998)
TEST B: RETRIEVE DTCS
NOTE: Battery and or ECM disconnection prior to scanning will erase all data, ensure that the correct DTC is present.
Connect scan tool
Record DTC(s), freeze frame data and GO to [B2]
B2: CHECK ECT SENSOR OPEN CIRCUIT
Ignition switch to position 0
Disconnect PI004
Rear of top hose
Measure the resistance between the ECT sensor pins 1 and 2.
-
Resistance > 30 k ohms?
Yes
Renew sensor and proceed to B6
No
GO to [B3]