Running the 1KZTE? If yes read on. Codes and what sensor/circuit it relates too:
1KZ-TE diagnostic codes:
12 = No RPM signal during cranking. 13 = No RPM signal after cranking and engine reaches 680rpm+ 14 = Timing control signal (crankshaft angle 7 deg or more out from target) 15 = Throttle control motor (no signal) 16 = Auto trans control signal 18 = Spill control valve (no signal) 19 = Accel pedal position sensor (no signal) 22 = Coolant temp sensor 24 = Intake air temp sensor. 32 = Correction resistor signal. 33 = Intake constrictor control signal. 35 = Boost pressure sensor. 39 = Fuel temp sensor. 41 = Throttle position sensor. 42 = Vehicle speed sensor. 43 = Starter signal to ECU. 51 = Switch control system 96 = EGR valve lift sensor. 99 = Engine immobilizer.