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I have a 1996 freightliner with tractor abs light on vin…

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I have a 1996 freightliner...
I have a 1996 freightliner with tractor abs light on vin 1fvxfmdb9tp860964 how do I use the abs check switch ? for diagnosis
Submitted: 5 months ago.Category: Medium and Heavy Trucks
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Answered in 1 hour by:
3/20/2018
Technician: Daniel Wilson,
 replied 5 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,887
Experience: Owner at DJ Wilson
Verified

Hi ,My name is Dan. I will be glad to help. We can follow up as needed on here, Give me some time to review your information and post my responses. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc.

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Customer reply replied 5 months ago
How. Do. I. Use. Abs. Check. Switch?
Technician: Daniel Wilson,
 replied 5 months ago
With the key switch on you should be able to hold the ABS diagnostic switch and count the flashes of the ABS light for each digit of the code as there will be short pauses in between each digit and then a longer pause between codes.
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Technician: Daniel Wilson,
 replied 5 months ago
What is the Freightliner chassis module?
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Technician: Daniel Wilson,
 replied 5 months ago
Model I meant
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Customer reply replied 5 months ago
Wabco
Technician: Daniel Wilson,
 replied 5 months ago

Click on this link

Service info

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Technician: Daniel Wilson,
 replied 5 months ago

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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Customer reply replied 5 months ago
I have a code for left front wheel have 11.2 ohms with the sensor unplugged is it correct that I should have a 5-volt reference signal to the plug on
Technician: Daniel Wilson,
 replied 5 months ago

It is a magnetic sensor PWM signal

Sensor Output Voltage Test Voltage must be at least 0.2 volts AC at 30 rpm. 1. Turn ignition OFF. 2. Disconnect the appropriate connector from the ECU (refer to wiring diagram). 3. Rotate wheel by hand at 30 rpm (1/2 revolution per second). 4. Measure voltage at the pins indicated in Table B. O If the minimum output voltage is less than 0.2, push the sensor toward the tooth wheel, then repeat the measurement

Sensor Resistance

The sensor circuit resistance must be(###) ###-####ohms. Resistance can be measured at the sensor connector, or at the pins on the ECU connector. To measure resistance: 1. Turn ignition OFF. 2. To measure resistance at the sensor connector, disconnect the ECU connector from the ECU. To measure resistance at the sensor connector, disconnect the sensor from the sensor extension cable. 3. Measure output at the pins indicated in Table B.

This is all on PDF page 32 in the link above.

Either you have a faulty sensor or wiring. check for both. Most common is the sensor if the wiring tests and checks okay.

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Technician: Daniel Wilson,
 replied 4 months ago

Hi Rich, Did you get this resolved? Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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