Jaguar Workshop Service and Repair Manuals

Variable Valve Timing Solenoid: Symptom Related Diagnostic Procedures

SYMPTOM CHART 

Condition(s): 

DTC P1392 VVT solenoid A circuit low input
Possible Source(s):
-

Solenoid coil open circuit

-

Harness open circuit or blown fuse

-

Connector pins(s) bent, loose or corroded
Action(s) to take:
^

GO to [ pinpoint Test A]

DTC P1397 VVT solenoid B circuit low input
Possible Source(s):
-

Solenoid coil open circuit

-

Harness open circuit or blown fuse

-

Connector pins(s) bent, loose or corroded
Action(s) to take:
^

GO to [Pinpoint Test A]

DTC P1393 VVT solenoid A circuit high input
Possible Source(s):
-

Solenoid coil short circuit

-

Harness short circuit

-

Connector pins(s) bent, loose or corroded
Action(s) to take:
^

GO to [Pinpoint Test B]

DTC P1398 VVT solenoid B circuit high input
Possible Source(s):
-

Solenoid coil short circuit

-

Harness short circuit

-

Connector pins(s) bent, loose or corroded
Action(s) to take:
^

GO to [Pinpoint Test B]

DTC P1396 VVT solenoid B malfunction
Possible Source(s):
-

Oil pressure failure

-

VVT solenoid sticking

-

Connector pins(s) bent, loose or corroded

-

Crankshaft position sensor failure

-

ECM failure
Action(s) to take:
^

GO to [Pinpoint Test C]