Diagnostic Trouble Code (DTC) P0504 Brake Switch "A" / "B" Correlation Description. Wiring diagram. Inspection procedure.

DTC P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) Description. Wiring diagram. Inspection procedure.

Ignition system Lexus. Parts location. System diagram. On-vehicle inspection.

MIL Circuit Description Wiring diagram Inspection procedure Check that mil is illuminated Check whether mil turns off Check harness and connector (check for short in wire harness) Check harness and connector (combination meter assembly - ecm) Check that engine starts Check harness and connector (ecm terminal voltage) Check harness and connector (combination meter assembly - ecm)

Fuel Injector Circuit Description Wiring diagram Inspection procedure Check fuel injector assembly (power source voltage) Inspect fuel injector assembly Check harness and connector (fuel injector assembly - ecm) Check harness and connector (no. 2 integration relay (ig2 relay) - fuel injector assembly)

Fuel Pump Control Circuit Description Wiring diagram Inspection procedure Perform active test using intelligent tester (control the fuel pump/speed) Inspect no. 2 integration relay (c/opn relay) Check harness and connector (no. 2 integration relay (c/opn relay) - ecm) Check harness and connector (no. 2 integration relay (c/opn relay - ig2 relay)) Check harness and connector (no. 2 integration relay (c/opn relay) - fuel pump) Check harness and connector (fuel pump - body ground) Inspect fuel pump

VC Output Circuit Description Wiring diagram Inspection procedure Check MIL Check connection between intelligent tester and ECM Check mil (throttle position sensor) Check mil (camshaft position sensor) Check mil (manifold absolute pressure sensor) Check harness and connector

ECM Power Source Circuit Description Wiring diagram Inspection procedure Check harness and connector (ecm - body ground) Inspect ecm (igsw voltage)

DTC U0293 Lost Communication with HV ECU Monitor description Monitor strategy Confirmation driving pattern Wiring diagram Inspection procedure

DTC P3190 Poor Engine Power DTC P3191 Engine does not Start DTC P3193 Fuel Run Out Description Monitor description Monitor strategy Inspection procedure Check any other dtcs output (in addition to dtc p3190, p3191 and/or p3193) Check shortage of fuel Check intake system Check for unusual noise or vibration when starting engine or revving up Check fuel pressure