1999 xj8 vdp a/c hot and cold
#1
1999 xj8 vdp a/c hot and cold
ok, so today i found my freon was low. i vac and recharged it. it held vacuum for 45 minutes with steady vacuum. no leak found.
i noticed the temp in the center 2 vents were both hot and cold.
compressor works as it should, and system is solid and leak free. i suspect blend door motor or control head. any ideas?
is there a reset procedure for the control head or actuator test/reset?
1999 xj8 vdp 4.0
w/01 motor. no mods or anything changed.
i noticed the temp in the center 2 vents were both hot and cold.
compressor works as it should, and system is solid and leak free. i suspect blend door motor or control head. any ideas?
is there a reset procedure for the control head or actuator test/reset?
1999 xj8 vdp 4.0
w/01 motor. no mods or anything changed.
#2
update: checked panel codes and found codes,
14 Water temperature input malfunction Instrument cluster output Refer to PDU (car isn't or hasn't overheated in my ownership)
23 Refrigerant pressure switch malfunction Harness / connector fault Switch open / short circuit
Refer to PDU23 Refrigerant pressure low refrigerant charge *Leak from damaged pipe or joint
Rectify as required and recharge system (likely caused by low refrigerant and has been fixed)
45 Centre vent motor fault Harness / connector fault Servo motor seized or sticking Flap seized or
sticking Refer to PDU
46 Foot vent motor fault Harness / connector fault Servo motor seized or sticking Flap seized or
sticking Refer to PDU
thoughts?
*edit*
99% sure it's a blend door issue since all the heat and cool is coming from center vents. any known issues? i've searched and all i came up with was "i remember someone having the same problem,but don't remember the fix"
i've got a 400 mile drive ahead of me tomorrow and really would love working a/c...
14 Water temperature input malfunction Instrument cluster output Refer to PDU (car isn't or hasn't overheated in my ownership)
23 Refrigerant pressure switch malfunction Harness / connector fault Switch open / short circuit
Refer to PDU23 Refrigerant pressure low refrigerant charge *Leak from damaged pipe or joint
Rectify as required and recharge system (likely caused by low refrigerant and has been fixed)
45 Centre vent motor fault Harness / connector fault Servo motor seized or sticking Flap seized or
sticking Refer to PDU
46 Foot vent motor fault Harness / connector fault Servo motor seized or sticking Flap seized or
sticking Refer to PDU
thoughts?
*edit*
99% sure it's a blend door issue since all the heat and cool is coming from center vents. any known issues? i've searched and all i came up with was "i remember someone having the same problem,but don't remember the fix"
i've got a 400 mile drive ahead of me tomorrow and really would love working a/c...
Last edited by souldoubt; 07-24-2015 at 08:33 PM.
#3
all actuators seem to be working. i can see and feel the movement from defrost-dash-dash/feet-feet/defrost-feet.
temp door is moving in and out with temp adjustment and seems to go full open to full close. (the on visible from center vent area)
color me stumped....
*update*
took for a drive, a/c is working correctly... wonder if the heater valve is begining to fail?
please, any info or insight would be greatly appreciated.
temp door is moving in and out with temp adjustment and seems to go full open to full close. (the on visible from center vent area)
color me stumped....
*update*
took for a drive, a/c is working correctly... wonder if the heater valve is begining to fail?
please, any info or insight would be greatly appreciated.
Last edited by souldoubt; 07-24-2015 at 10:03 PM. Reason: update
#7
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