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www.matthewsvolvosite.com/forums/viewtopic.php?f=1&t=14654 Apr 6, 2008 - 11 posts
Next to the service engine light, orange with green triangle and upside down Y. Does anyone have the manual/know what this means?Missing: red square
You symptoms point to the gas tank purge valve.
If when you remove the gas cap, you hear whoosh, in or out, then the purge valve is not venting correctly. Try opening the gas cap, letting it equalize, put the cap back on and try it again.
If that does not work, it could just be a dirty fuel filter. They are $30 and in back, under neath, so are not done as often as they should be.
CODE PO705 IS DTR SENSOR TR SENSOR CIRCUIT MALFUNCTION. POSSIBLE CAUSES, DTR OR TR SENSOR CONNECTOR IS DAMAGED OR SHORTED, DTR OR TR SENSOR SIGNAL CIRCUIT IS OPEN OR SHORTED TO GROUND, DTR OR TR SENSOR SIGNAL CIRCUIT IS SHORTED TO VREF 5V, DTR OR TR SENSOR DAMAGED, PCM HAS FAILED.
BJB ( aka Battery Junction Box , engine compartment fuse panel ) fuse #5 is for the trailer tow reversing lamp relay & the trailer tow running lamp relay. This is to the normally open contacts on those relays, which is the circuit to the 7 pin trailer tow adapter. - Have you checked your 7 pin trailer tow adapter for metal left in there from a trailer plug ? If you pull those 2 relays and replace fuse #5, does the fuse blow ? If so under what conditions ( i.e. when the headlamps are turned on, or when the truck is placed in reverse ) ?
BJB Fuse # 6 feeds the park lamp relay & the headlamp relay for the autolamp function. This could be where the lights staying on it coming from, but I would have guessed just the autolamp would have stopped working. When the parking lamps are staying on, is this with the main headlamp switch in the auto position, or with the switch turned off.
The blinking OD light is the transmission reporting an error ( trans sensor issue or the actuator circuits have failed ).
The 1st place to check for this ( which is somewhat connected to the BJB Fuse #5 ) is the DTR ( Digital Transmission Range ) Sensor on the side of the transmission.
Could be the DTR connector is gummed up with road dirt, causing an issue. Part of the DTR is for starting ( Neutral or Park acts as a switch ) and part is the reverse ( again acting like a normal switch ) the other parts of the DTR feed information to the PCM for shift control and for 44 ( if the truck is a 4x4 ) for shift operation.
Start with the DTR on the side of the trans, unplug the connector and clean it with contact cleaner, and the check on the relays above.
Please report back your findings as a comment on this problem.
The vsa and check engine light cam on because
their is a fault in the system that needs to be looked at.To be on the
safe side i would check the oil and transmission fluid . Try doing a reset. Disconnect battery for a minute, this will clear the
code ( light ). If the light comes back then take it auto zone or
dealer to have the code read. You can have the codes read for free at your local parts store like auto zone. Have them scan it and let me know what the codes are.
Could be the motor-management-warning light, but I guess it's the break-warning light. There might be too little breaking-fluid left in the lines ... A boardcomputer-readout should clarify this.
Otherwise, try parking on an ascending road with the nose pointing up, hit the hand-break and wait like 2 minutes; the light should come on. You might wanna retry it with the car's nose pointing downwards as well ... If so, definitely the breaking-fluid, otherwise probably not ;)
In any case - flashing warning light are never ok, so when you see it again and you're sure it's not just the ABS/ESP warning light, go and have your boardcomputer read-out, since it should contain useful errorcodes ..
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