Toyota 1 MZ–FE Manual page 406

EG2–406
DIAGNOSTIC TROUBLE CODE CHART (Cont'd)
Detection Item
DTC No.
Heated Oxygen Sensor
Heater Circuit Malfunction
P0135
(Bank 1 Sensor 1)
Heated Oxygen Sensor
P0136 Circuit Malfunction
(Bank 1 Sensor 2)
Heated Oxygen Sensor
Heater Circuit Malfunction
P0141
(Bank 1 Sensor 2)
Heated Oxygen Sensor
Circuit Malfunction
P0150
(Bank 2 Sensor 1)
Heated Oxygen Sensor
Circuit Slow Response
P0153
(Bank 2 Sensor 1)
Heated Oxygen Sensor
Heater Circuit Malfunction
P0155
(Bank 2 Sensor 1)
System too Lean
P0171
(Fuel Trim)
System too Rich
P0172
(Fuel Trim)
Injector Circuit
Malfunction
P0201 – Cylinder 1
P0202 – Cylinder 2
P0203
– Cylinder 3
P0204
– Cylinder 4
P0205 – Cylinder 5
P0206 – Cylinder 6
1MZ–FE ENGINE – DIAGNOSTIC TROUBLE CODE CHART
Diagnostic Trouble Code Detecting Condition
When the heater operates, heater current exceeds 2 A or voltage drop for the
heater circuit exceeds 5 V.
(2 trip detection logic)
Heater current of 0.25 A or less when the heater operates.
(2 trip detection logic)
Voltage output of the heated oxygen sensor (bank1 sensor 2) remains at
0.4 V or more or 0.5 V or less when the vehicle is driven at 50 km/h
(31 mph) or more after the engine is warmed up.
(2 trip detection logic)
Same as DTC No. P01 35.
Same as DTC No. P01 30.
Same as DTC No. P01 33.
Same as DTC No. P01 35.
When the air fuel ratio feedback is stable after engine warming up, the fuel
trim is considerably in error on the RICH side.
(2 trip detection logic)
When the air fuel ratio feedback is stable after engine warming up, the fuel
trim is considerably in error on the LEAN side.
(2 trip detection logic)
A specified cylinder misfire continuously.
(2 trip detection logic)