PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
Precaution
System DescriptionOxygen (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. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuator and other items to be read without removing any parts. This non-intrusive
inspection can be very useful beca ...