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Old 01-11-2011, 05:36 PM   #1
CTScott
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Drives: 09 5dr LB, 2x 08 3dr LB
Join Date: Oct 2008
Location: USA, CT
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By the way, you can actually read the DTCs using just a jumper wire:

With the ignition off, jump the CG and TC pins on the OBD connector:

Name:  ABS DTC.jpg
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Turn the ignition on and watch the ABS light. If there are stored DTCs, It will flash in a pattern to indicate the code (71 for example will be shown as 7 quick flashes, a short pause, and then one quick flash).


C1271/71 Low output signal of front speed sensor RH
• Front speed sensor RH
• Front speed sensor RH circuit
• Sensor installation
• Foreign matter on sensor tip or sensor rotor
C1272/72 Low output signal of front speed sensor LH
• Front speed sensor LH
• Front speed sensor LH circuit
• Sensor installation
• Foreign matter on sensor tip or sensor rotor
C1273/73 Low output signal of rear speed sensor RH
• Skid control sensor RH
• Skid control sensor RH circuit
• Sensor installation
C1274/74 Low output signal of rear speed sensor LH
• Skid control sensor LH
• Skid control sensor LH circuit
• Sensor installation
C1275/75 Abnormal change in output signal of front speed
sensor RH
• Front speed sensor RH
• Front speed sensor RH circuit
• Foreign matter on sensor tip or sensor rotor
C1276/76 Abnormal change in output signal of front speed
sensor LH
• Front speed sensor LH
• Front speed sensor LH circuit
• Foreign matter on sensor tip or sensor rotor
C1277/77 Abnormal change in output signal of rear speed
sensor RH
• Skid control sensor RH
• Skid control sensor RH circuit
C1278/78 Abnormal change in output signal of rear speed
sensor LH
• Skid control sensor LH
• Skid control sensor LH circuit
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Old 01-14-2011, 08:08 PM   #2
limochong
 
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Drives: 2007 yaris sedan
Join Date: Mar 2010
Location: yyz
Posts: 21
DTCs checked today...

Quote:
Originally Posted by CTScott View Post
By the way, you can actually read the DTCs using just a jumper wire:

With the ignition off, jump the CG and TC pins on the OBD connector:

Attachment 39321

Turn the ignition on and watch the ABS light. If there are stored DTCs, It will flash in a pattern to indicate the code (71 for example will be shown as 7 quick flashes, a short pause, and then one quick flash).


C1271/71 Low output signal of front speed sensor RH
• Front speed sensor RH
• Front speed sensor RH circuit
• Sensor installation
• Foreign matter on sensor tip or sensor rotor
C1272/72 Low output signal of front speed sensor LH
• Front speed sensor LH
• Front speed sensor LH circuit
• Sensor installation
• Foreign matter on sensor tip or sensor rotor
C1273/73 Low output signal of rear speed sensor RH
• Skid control sensor RH
• Skid control sensor RH circuit
• Sensor installation
C1274/74 Low output signal of rear speed sensor LH
• Skid control sensor LH
• Skid control sensor LH circuit
• Sensor installation
C1275/75 Abnormal change in output signal of front speed
sensor RH
• Front speed sensor RH
• Front speed sensor RH circuit
• Foreign matter on sensor tip or sensor rotor
C1276/76 Abnormal change in output signal of front speed
sensor LH
• Front speed sensor LH
• Front speed sensor LH circuit
• Foreign matter on sensor tip or sensor rotor
C1277/77 Abnormal change in output signal of rear speed
sensor RH
• Skid control sensor RH
• Skid control sensor RH circuit
C1278/78 Abnormal change in output signal of rear speed
sensor LH
• Skid control sensor LH
• Skid control sensor LH circuit
Thanks to CTScott, checked my OBD connector and jumped those two pins
confirmed that i have 73.

But there was also other lights were also blinked like transmission, airbag, P/S. etc
what are these CTScott??
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Old 01-19-2011, 03:06 PM   #3
CTScott
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Drives: 09 5dr LB, 2x 08 3dr LB
Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
Quote:
Originally Posted by limochong View Post
Thanks to CTScott, checked my OBD connector and jumped those two pins
confirmed that i have 73.

But there was also other lights were also blinked like transmission, airbag, P/S. etc
what are these CTScott??
Jumping TC to CG does the same for those systems as well.
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