Unit disassembly and assembly
PrecautionP0031, P0032 A/F sensor 1 Heater
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0031
A/F SEN 1 HTR (B1)
(HO2S heater control circuit
low bank 1 sensor 1)
The current amperage in the A/F sensor 1 heater
circui ...
Drive belt
Automatic tensioner
Generator
Water pump
Air conditioner compressor
Crankshaft pully
WARNINGBe sure the ignition switch is in the OFF
or
LOCK position before servicing drive belt.
The engine could rotate unexpectedly.
Visually inspect the belt for signs of ...
Precaution for Work
When removing or disassembling each component, be careful not to damage
or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
When removing (disengaging) components with a screwdriver or similar
tool, be sure to wrap the component
with a ...