LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2018 >> LS 500h RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostics - Introduction (2 Of 6) >> SFI System >> Fail-Safe Chart [10/2017 - 09/2018] >> Fail-Safe Chart [10/2017 - 09/2018]
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fail-Safe Chart [10/2017 - 09/2018]

If any of the following DTCs are stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily or stops fuel injection.

DTC Code Component Fail-Safe Operation Fail-Safe Deactivation Condition
P0011-00
P0015-00
P0021-00
P0025-00
VVT system Idle up (control of combustion decreased). Pass condition detected
P0030-12
P0030-13
P0050-12
P0050-13
P101A-9E
P103A-9E
Air fuel ratio sensor (sensor 1) heater The ECM turns off the air fuel ratio sensor (sensor 1) heater. Power switch off
P0036-12
P0036-13
P0056-12
P0056-13
P102A-9E
P105A-9E
Air fuel ratio sensor (sensor 2) heater The ECM turns off the air fuel ratio sensor (sensor 2) heater. Power switch off
P0069-00
P2226-11
P2226-15
  • Manifold absolute pressure sensor
  • Atmospheric pressure sensor (ECM)
The ECM maintains the last learned atmospheric pressure value. Pass condition detected
P0087-00
P0088-00
Fuel pump assembly (for high pressure side)
  • Stop the fuel pump (for high pressure side).
  • Limit the engine speed to 2000 rpm or less.
Pass condition detected
P0100-12
P0100-14
Mass air flow meter sub-assembly The ECM calculates ignition timing according to the engine speed and throttle valve position. Pass condition detected
P0110-11
P0110-15
Intake air temperature sensor The ECM estimates the intake air temperature to be 20°C (68°F). Pass condition detected
P0115-11
P0115-15
Engine coolant temperature sensor The ECM estimates the engine coolant temperature to be 80°C (176°F). Pass condition detected
P0120-11
P0120-15
P0120-1C
P0220-11
P0220-15
P0604-44
P0606-47
P060A-47
P060B-49
P060E-49
P0657-14
P0657-9E
P2100-14
P2100-15
P2119-00
P2119-04
P2119-77
P2135-2B
Electronic throttle control system The ECM cuts off throttle actuator current and the throttle valve is returned to a 7° throttle position by the return spring.
The ECM controls the fuel injection duration and ignition timing in accordance with the engine torque requested by the hybrid vehicle control ECU. Fuel-cut is performed intermittently.*
Pass condition detected and then power switch turned off
P0190-11
P0190-15
P1235-13
Fuel pressure sensor (for high pressure)
  • Stop the fuel pump assembly (for high pressure side).
  • Limit the engine speed to 2000 rpm or less.
  • Fuel pressure is set to 200 kPa.
Pass condition detected and then power switch turned off
P0201-13
P0202-13
P0203-13
P0204-13
P0205-13
P0206-13
P062D-13
ECM (injector driver)
  • The ECM performs fuel-cut when the engine speed is 2000 rpm or more.
  • Fuel cut of malfunction cylinder.
Pass condition detected and then power switch turned off
P0325-11
P0325-15
P0330-11
P0330-15
Knock control sensor The ECM sets the ignition timing to maximum retard. Power switch off
P0351-13
P0352-13
P0353-13
P0354-13
P0355-13
P0356-13
Ignition coil assembly The ECM cuts the fuel injection. Pass condition detected
P0401-9C
P0403-14
P1400-00
P1405-96
P1410-04
EGR valve assembly The ECM fully closes the EGR valve and stops EGR control. Pass condition detected and then power switch turned off
P107A-11
P107A-15
Fuel pressure sensor (for low pressure side) Fuel pump (for low pressure side) control is maintained. Pass condition detected and then power switch turned off
P2111-72
P2111-73
Electronic throttle control system The ECM stops the engine and the vehicle can be driven using solely the hybrid system.* Pass condition detected and then power switch turned off
P21CF-13
P21D0-13
P21D1-13
P21D2-13
P21D3-13
P21D4-13
Fuel injector assembly (for port injection)
  • The ECM performs fuel-cut when the engine speed is 2000 rpm or more.
  • Fuel cut of malfunction cylinder.
Pass condition detected and then power switch turned off
P2237-11
P2237-12
P2237-14
P2237-16
P2237-17
P2237-1A
P2240-11
P2240-12
P2240-14
P2240-16
P2240-17
P2240-1A
P2251-11
P2251-12
P2254-11
P2254-12
Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 1) air fuel ratio feedback control is stopped. Pass condition detected and then power switch turned off
P22AB-11
P22AB-12
P22AB-13
P22AB-16
P22AB-17
P22B2-11
P22B2-12
P22B8-11
P22B8-12
P22B8-13
P22B8-16
P22B8-17
P22BF-11
P22BF-12
Air fuel ratio sensor (sensor 2)
  • Control based on air fuel ratio sensor (sensor 2) air fuel ratio feedback is stopped.
  • The ECM turns off the air fuel ratio sensor (sensor 2) heater.
Pass condition detected and then power switch turned off

HINT: 

*: The vehicle can be driven slowly when the accelerator pedal is depressed firmly and slowly.