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Autotronic 5 - Dyna-6 - Error Codes: TR4: Theoretical Forward Speed Sensor

This document provides information about the theoretical forward speed sensor (TR4) on an Autotronic 5 - Dyna-6 system, including its location, pin connections, signals, and possible error codes. The sensor is an inductive sensor located above the differential ring gear. It outputs a resistance of 450 ohms when stopped and an alternating voltage when the ring gear is rotating. The sensor can be adjusted by loosening the counter-nut and unscrewing it 3/4 of a turn from fully screwed in. Possible error codes include T1 15 for no detected speed and T1 26 for a difference between intermediate and forward speed sensors. The recommended solutions are to check sensor status, resistance, connections, and wiring or the

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Autotronic 5 - Dyna-6 - Error Codes: TR4: Theoretical Forward Speed Sensor

This document provides information about the theoretical forward speed sensor (TR4) on an Autotronic 5 - Dyna-6 system, including its location, pin connections, signals, and possible error codes. The sensor is an inductive sensor located above the differential ring gear. It outputs a resistance of 450 ohms when stopped and an alternating voltage when the ring gear is rotating. The sensor can be adjusted by loosening the counter-nut and unscrewing it 3/4 of a turn from fully screwed in. Possible error codes include T1 15 for no detected speed and T1 26 for a difference between intermediate and forward speed sensors. The recommended solutions are to check sensor status, resistance, connections, and wiring or the

Uploaded by

Fluxi Tuxi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Autotronic 5 - Dyna-6 - Error codes

TR4: Theoretical forward speed sensor

TR4
Description
Location: above the differential ring gear (Fig. 27)
Inductive sensor.

- Pin 1: Signal
- Pin 2: Earth
TR10
Signals:
Resistance when stopped: 450 Ohms +/- 20
Alternating voltage when the ring gear is rotating

To adjust the air gap:


MA-11-01577A
- Apply a small amount of Loctite 5922 to the Fig. 27
threads
- Fully screw in the sensor against the gear
- Unscrew the sensor by ¾ of a turn
- Tighten the counter-nut to approximately 6 Nm

2
2
1
1
MA-11-01265A
Possible error codes
Fig. 28

Reaction of the Reset the


Errors Descriptions Solutions
system system*
Check:
- Sensor status
- Sensor resistance of 450 Ohms,
No speed detected and as well as alternating voltage
Error code displayed
T1 15 current intermediate when gear is rotating No
only
speed > 0
- Contacts
- Harness connections
- Wiring
Difference in value Disengages all ranges Check:
between the interme- for 6 s (coasting) and - Connection logic for the 4 sole-
diate speed sensor and re-engages the range noid valves and their range sensor
T1 26 engaged before the - Speed sensors for correct Yes
forward speed sensor
depending on range error connection
engaged • Buzzer active
*To reset the system, move the PowerControl lever to neutral position and then press and release the clutch pedal

WINTEST - Issue 9.b GUF563.29

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