Diagnostic Aids
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected. If DTCs P1305, P1310, P1320 and P1340 are output simultaneously, IGF2 circuit between ignition coils and ECM may be open or shorted.