Question about Velodyne CHT-12 Subwoofer

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Is there a picture on how to hook up acht-8/cht10/cht-12

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Yup, in its manual.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Velodyne-CHT-12-Subwoofers-manual/id/866dj583/t/2/

Posted on Mar 24, 2011

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4.6 L. V8 Triton. Where is the CHT sensor located?


Cylinder Head Temperature (CHT) Sensor -4.6L and 5.4L Removal
  1. Remove the intake manifold; refer to Section 303-01B .
  1. Remove the cylinder head temperature (CHT) sensor.
    1. Disconnect the connector.
    1. Remove the CHT sensor.

Feb 22, 2016 | 1998 Ford F150 Regular Cab

1 Answer

I have a 2000 crown vic and my coolant fan wont come on unless i cut the a/c on or unplugged the cylinder head sensor i changed thermostat and temp sensor it still same thing what could be the problem


You have a wiring problem from sensor to the PCM - engine computer .
DL22 CHECK CHT SIGNAL CIRCUIT FOR SHORT TO GROUND
    Note: Refer to the PCM connector pin numbers in the beginning of this pinpoint test.
  • Disconnect PCM.
  • Measure resistance between CHT signal and SIG RTN circuits and then between CHT signal and PWR GND circuits at the PCM harness connector.
  • the PCM is what controls the cooling fan !
  • This Pinpoint Test is intended to diagnose the following:
    • Cylinder head temperature (CHT) sensor (6G004)
    • Harness circuits: CHT, VREF, and SIG RTN
    • Powertrain control module (PCM) (12A650)

    Tables and Graphs

    On applications that do not use a ECT sensor, the CHT sensor is used to determine the engine coolant temperature in place of the ECT sensor. In this case the PCM may store both CHT and ECT Diagnostic Trouble Codes (DTCs). To cover the entire temperature range of both the CHT and ECT sensors, the PCM has a dual switching resistor circuit on the CHT input. A graph showing the temperature switching from the COLD END line to the HOT END line with increasing temperature and back with decreasing temperature is included. Note the temperature to voltage overlap zone. Within this zone it is possible to have either a COLD END or HOT END voltage at the same temperature. For example, at 90°C (194 °F) the voltage could read either 0.60 volt or 3.71 volts. Refer to the table for the temperature to voltage expected values.
    Voltage values were calculated for VREF = 5.0 volts. These values can vary 15 percent due to sensor and VREF variations.
  • DL1 DTC P1288 OR P1116: CHECK OPERATION OF CYLINDER HEAD TEMPERATURE SENSOR
    • Run engine at 2000 rpm until engine temperature becomes stabilized.
    • No Starts or Vehicle that Stalls:
      • GO to DL3 .
    • Check that upper radiator hose is hot and pressurized.
    • Rerun Key On Engine Running (KOER) Self-Test.
    Is DTC P1288 or P1116 present? Yes No GO to DL2 . Engine temperature was not stabilized. REPAIR any other DTCs as necessary. DL2 CHECK VREF CIRCUIT VOLTAGE AT TP SENSOR
    • Refer to schematic at the beginning of this pinpoint test.
    • Disconnect throttle position (TP) sensor.
    • Key on, engine off.
    • Measure the voltage between VREF and SIG RTN circuits at the TP sensor harness connector.
    Is voltage between 4.0 volts and 6.0 volts? Yes No There is sufficient VREF voltage. RECONNECT TP sensor. GO to DL3 . GO to C1 . DL3 CHECK RESISTANCE OF CYLINDER HEAD TEMPERATURE SENSOR WITH ENGINE OFF
    • Disconnect CHT sensor.
    • Measure resistance between CHT signal and SIG RTN pins at the CHT sensor. Refer to the table at the beginning of this pinpoint test for resistance specifications.
    Is resistance within specification? Yes No For No Starts or Stalls, RETURN to Section 3 , Symptom Charts.

    All others, GO to DL4 . REPLACE CHT sensor. You need a scan tool to do some of these tests
  • DL4 CHECK RESISTANCE OF CHT SENSOR WITH ENGINE RUNNING
      Note: Verify that engine is at operating temperature before taking CHT readings.
    • Run engine for two minutes at 2000 rpm.
    • Measure resistance between CHT signal and SIG RTN pins at the CHT sensor. Refer to the table at the beginning of this Pinpoint Test for resistance specifications.
    • Key off.
    Is resistance within specification? Yes No REPLACE PCM (refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) ). REPLACE CHT sensor. DL5 DTC P1289 OR P1290: ACCESS CHT PID AND CHECK VOLTAGE
    • Connect scan tool.
    • Key on, engine off.
    • Access CHT V PID.
    Is the CHT V PID less than 0.2 volt? Yes No GO to DL6 . GO to DL7 . DL11 CHECK CHT SENSOR SIGNAL AND SIG RTN CIRCUITS FOR OPEN IN HARNESS
      Note: Refer to the PCM connector pin numbers in the beginning of this pinpoint test.
    • Disconnect PCM.
    • Measure resistance of CHT circuit between PCM harness connector pin and CHT sensor harness connector.
    • Measure resistance of SIG RTN circuit between PCM harness connector pin and CHT sensor harness connector.
    Is each resistance less than 5.0 ohms? Yes No REPLACE PCM (refer to Section 2, Flash Electrically Erasable Programmable Read Only Memory (EEPROM) ). REPAIR open circuits. free wiring diagrams at www.bbbind.com

Jul 13, 2015 | Cars & Trucks

1 Answer

Hookup instrutions for a velodyne sub/amp serial number 63311523


manual is here:
http://www.velodyne.fr/index_htm_files/cht-8_cht-12_manual.pdf

Mar 19, 2015 | Velodyne CHT-8 Subwoofer

1 Answer

How do I set it up


... according to its manual and that of the upstream (unnamed) electronics.

One can be found here...

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Velodyne-CHT-8-Subwoofers-manual/id/866dj581/t/2/

May 28, 2011 | Velodyne CHT-8 Subwoofer

1 Answer

My CHT-8 powers on but doesn't have sound.


Check your receiver's speaker set up menu and make sure suboofer output is set to ON.

Jan 20, 2011 | Velodyne CHT-8 Subwoofer

1 Answer

I hear some noise coming out from the woofer of CHT-12R


It very well could be the spaker leads hitting the speaker cone.

You could check this by removing the amp section from the back.
Remove the screws at the very edge of the amp panel.


Jul 04, 2009 | Velodyne CHT-12 Subwoofer

1 Answer

Amplifier for my velodyne cht-8 is making noises



Yes the amp section can be peplaced.

Call Velodyne, the amps are not that expensive.

Jan 01, 2009 | Velodyne CHT-8 Subwoofer

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