XJR (X308) V8-4.0L SC (AJ26) (1998)
Variable Valve Timing Solenoid: Pinpoint Tests
Pinpoint Test A: P1392 (P1397) VVT Solenoid Circuit Low Input
P1392 (P1397) VVT solenoid circuit low input
NOTE: References in brackets are for Bank B (2)
TEST A: 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 [A2]
A2: CHECK FUSE/RELAY
Check that fuse F12 is good and that EMS control relay is energized
-
OK?
Yes
GO to [A3]
No
Rectify as required