2001 Oxygen sensor wiring
04-13-2019, 03:42 PM
#1
CF Veteran
Thread Starter
2001 Oxygen sensor wiring
Hi trying to troubleshoot my bank 1 upstream o2 sensor...I have 4 wires on plug 2 whites and a black and a grey.I need to know which pair runs the heater and then obviously the other pair is my sensor output...thanks
04-13-2019, 05:20 PM
#2
CF Veteran
Join Date: Dec 2017
Posts: 3,889
Received 1,065 Likes
on
856 Posts
Year: 1989
Model: Comanche (MJ)
Engine: 4.0
The two whites are the heater circuit. Black and grey are sensor +/-. Normally the two identical colors are the heater in a 4-wire. Usually white for Bosch , but black for some brands like Denso.
Thread
Thread Starter
Forum
Replies
Last Post
Tjeeep
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
0
05-09-2016 08:20 PM
BDGile
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
11
06-13-2014 12:34 AM
bamorgan7
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
20
01-06-2009 09:00 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
