COMPONENTS
ILLUSTRATION
ILLUSTRATION
On-vehicle InspectionOxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) (P2237-P2239,P2252,P2253)
DESCRIPTION
Refer to DTC P2195 (See page ).
HINT:
Although the DTC titles say oxygen sensor, these DTCs relate to the air fuel
ratio sensor.
DTC No.
DTC Detection Condition
Trouble Area
P2237
...
Terminals Of Ecu
TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK RADIATOR CAP SUB-ASSEMBLY
(a) Measure the valve opening pressure.
(1) If there are water stains or foreign matter on rubber packings 1, 2 or 3,
clean the part(s) with water and finger scouring.
(2) Check that r ...