Check Engine Codes

[DJ Bran Boogy]

Check fuse 13 (15 amps) in the Battery Junction Box. It may have blown when the transmission wires shorted to ground. Make sure that all wires are intact (not cut) and not shorted to each other or anything else.

OK. fuses are OK. wiring SEEMS ok. my only tip is that it works without the connector plugged onto the tranny. is it possible the female connecter behind the engine has bad wiring? or the wiring IN the tranny? if thats the case then I'm screwed. i have a multimeter. how can i test?

 

[2000StreetRod]

use the multimeter

Since you have the wiring loom removed it should be easy to measure each wire for continuity from end to end and discontinuity to every other wire. Since you have a bank 1 sensor 2 heater fault start with the WH/BK wire that connects the PCM to the sensor. Your meter should read less than 1 ohm from end to end and more than 1 megohm to any other color wire. Then check the WH/YE wire since you have an EPC solenoid shorted fault. Then check the rest of the wires.

With the loom disconnected none of the solenoids should be energized which would only allow 4th speed if any.

 

[DJ Bran Boogy]

Since you have the wiring loom removed it should be easy to measure each wire for continuity from end to end and discontinuity to every other wire. Since you have a bank 1 sensor 2 heater fault start with the WH/BK wire that connects the PCM to the sensor. Your meter should read less than 1 ohm from end to end and more than 1 megohm to any other color wire. Then check the WH/YE wire since you have an EPC solenoid shorted fault. Then check the rest of the wires.

With the loom disconnected none of the solenoids should be energized which would only allow 4th speed if any.

ok ill do it tomorrow. getting closer to giving up. is there a diagram of that 16 pin plug?

 

[2000StreetRod]

c177

 

[DJ Bran Boogy]

View attachment 67600

dude u r the man!!

 

[DJ Bran Boogy]

View attachment 67600

i give up. how much u would this cost to be repaired

 

[DJ Bran Boogy]

View attachment 67600

ok i decided to give it another since it was nice out. i managed to take out wiring and i tested and it checked out fine. i taped it back up. what else might be the problem? I'm thinking it could be the wires inside the tranny.

 

[2000StreetRod]

check fuse 13 again

You have the same codes as listed in the following thread: Explorer stalling when put in gear Lots of Codes!! which was corrected by replacing fuse 13. I suggest you replace the fuse even if it looks good visually.

 

[DJ Bran Boogy]

You have the same codes as listed in the following thread: Explorer stalling when put in gear Lots of Codes!! which was corrected by replacing fuse 13. I suggest you replace the fuse even if it looks good visually.

ok thanks. ill give it a shot b4 i go to school

 

[DJ Bran Boogy]

You have the same codes as listed in the following thread: Explorer stalling when put in gear Lots of Codes!! which was corrected by replacing fuse 13. I suggest you replace the fuse even if it looks good visually.

ok i reinstalled the harness, swapped the fuse & Nothing Anything else u can suggest?

 

[2000StreetRod]

Bank 1 Sensor 2

P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

I would try to solve the above failure first. That may lead you to the source of the other failures. Bank 1 Sensor 2 should be the passenger side post cat sensor if you have 4 total O2 sensors. There are some 3 sensor configurations. If you disconnect the plug ( C181, 4 pins) to the O2 sensor there should be battery voltage (from fuse 13) on the LightBlue/Orange wire when the ignition is on.

 

[DJ Bran Boogy]

P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

I would try to solve the above failure first. That may lead you to the source of the other failures. Bank 1 Sensor 2 should be the passenger side post cat sensor if you have 4 total O2 sensors. There are some 3 sensor configurations. If you disconnect the plug ( C181, 4 pins) to the O2 sensor there should be battery voltage (from fuse 13) on the LightBlue/Orange wire when the ignition is on.

ok I'm basically stripping the car at this point. i removed the intake manifold to see where everything ran. maybe this can help. i check the blue and orange wire from the harness in the engine bay. i got 12 volts. BUT I checked the four pin connecter to the o2 sensor and i only got about 3 volts. any clues?

 

[2000StreetRod]

which engine?

It is difficult for me to follow the wiring since I don't know which V6 engine you have. In my 2000 wiring diagrams the SOHC V6 has four O2 sensors and the OHV V6 has three O2 sensors.

Also, you'll have to be more specific when describing your results.

Where did you measure battery voltage on the light blue/orange wire?

Where did you measure the 3 volts? Was it the connector pin from the light blue/orange wire for passenge side, post cat sensor? Was the O2 sensor disconnected?

The light blue/orange wire from the battery junction box provides the heater voltage for all of the O2 sensors. If there was a direct short in the wire to ground fuse 13 should blow.

 

[kippax]

Just a shot in the dark. I had all those shift solenoid mal###tion codes on my 2001 Windstar and it was fuse #19 in the box under the hood. Yours might be in another location and it might not clear the other codes up but it could be worth a look

 

[DJ Bran Boogy]

It is difficult for me to follow the wiring since I don't know which V6 engine you have. In my 2000 wiring diagrams the SOHC V6 has four O2 sensors and the OHV V6 has three O2 sensors.

Also, you'll have to be more specific when describing your results.

Where did you measure battery voltage on the light blue/orange wire?

Where did you measure the 3 volts? Was it the connector pin from the light blue/orange wire for passenge side, post cat sensor? Was the O2 sensor disconnected?

The light blue/orange wire from the battery junction box provides the heater voltage for all of the O2 sensors. If there was a direct short in the wire to ground fuse 13 should blow.

It is SOHC. thats what it says on the little plastic cover. and yes i checked the voltage on the blue/orange wire. on the other sensors i got 12volts. on the post cat passenger side (blue connector) it only read 3 volts.

 

[2000StreetRod]

fuse 13 power source

According to the SOHC wiring diagrams the only things powered by fuse 13 in the battery junction box are the four O2 sensor heaters, the canister vent solenoid and the transmission solenoids. If the bank 1 sensor 2 electrical connector was disconnected when you read +3 volts to chassis ground then the issue is the wiring between fuse 13 and the electrical connector. In an earlier post you stated that you had checked the wiring harness when you had it out of the vehicle. There is a splice in the harness to breakout the wiring for the B1S2, B2S2 and B2S1 heaters and a splice for B1S1 heater. I suspect if you measure continuity from the LB/OG wire for B1S2 to any other O2 sensor LB/OG wire you will read a high resistance. You can measure the resistance between any of the other O2 sensors for comparison. You probably have a broken or cut wire internal to the harness.

 

[DJ Bran Boogy]

According to the SOHC wiring diagrams the only thing powered by fuse 13 in the battery junction box is the four O2 sensor heaters and the canister vent solenoid. If the bank 1 sensor 2 electrical connector was disconnected when you read +3 volts to chassis ground then the issue is the wiring between fuse 13 and the electrical connector. In an earlier post you stated that you had checked the wiring harness when you had it out of the vehicle. There is a splice in the harness to breakout the wiring for the B1S2, B2S2 and B2S1 heaters and a splice for B1S1 heater. I suspect if you measure continuity from the LB/OG wire for B1S2 to any other O2 sensor LB/OG wire you will read a high resistance. You can measure the resistance between any of the other O2 sensors for comparison. You probably have a broken or cut wire internal to the harness.

ok today i took apart the intake manifold to get to those wires. i learned that the female pin for the blue/orange wire was pushed in and no power was going to the o2 and transmission. i fixed that but the problem still exists. the continuity fine. the resistance was .01 or .00. i haven't checked the voltage for that o2 sensor but any suggestions?

 

[2000StreetRod]

codes cleared?

. . . i learned that the female pin for the blue/orange wire was pushed in and no power was going to the o2 and transmission. i fixed that but the problem still exists. the continuity fine. the resistance was .01 or .00. i haven't checked the voltage for that o2 sensor but any suggestions?

If the LB/OG pin was pushed back then there would be no power to the O2 sensor heaters and the transmission solenoids (torque converter clutch, electronic pressure control, shift A, B , C & D). That would have triggered the codes that were displayed just as if fuse 13 were blown. Have you cleared the old codes by using a code reader or disconnecting the battery?

 

[DJ Bran Boogy]

If the LB/OG pin was pushed back then there would be no power to the O2 sensor heaters and the transmission solenoids (torque converter clutch, electronic pressure control, shift A, B , C & D). That would have triggered the codes that were displayed just as if fuse 13 were blown. Have you cleared the old codes by using a code reader or disconnecting the battery?

well the original battery is dead so i use our other car battery so the battery is often disconnected.

 

[DJ Bran Boogy]

If the LB/OG pin was pushed back then there would be no power to the O2 sensor heaters and the transmission solenoids (torque converter clutch, electronic pressure control, shift A, B , C & D). That would have triggered the codes that were displayed just as if fuse 13 were blown. Have you cleared the old codes by using a code reader or disconnecting the battery?

the pin was not staying put so i spliced a wire right across the connectors. ITS BACK TO LIFE. THANKS FOR YOUR HELP. b4 i put it back on the road i need a battery, brakes, and the heater control valve is dripping coolant from the top so ill replace that. Question: Now when i steer it vibrates the whole truck when its near the center point. the power steering fluid is fine. would it be because its been sitting and needs to be broken in?