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Home >> Suzuki >> 2006 >> Verona Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Abs >> Diagnostic Information and Procedures >> DTC C1209: Right Rear Wheel Speed Sensor Circuit Open or Shorted >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action Value(s) Yes No
1 Was the diagnostic circuit check performed? - Go to Step 3 Go to Step 2
2 Perform the DIAGNOSTIC CIRCUIT CHECK .
Did you find problem?		 - Go to Step 3 System OK
3
  1. Ignition switch "OFF".
  2. Inspect the right rear wheel speed sensor and jumper harness for other physical damage.

Is any physical damage noted?		 - Go to Step 4 Go to Step 5
4 Repair the damage to the right rear wheel speed sensor, jumper harness. - System OK -
5 Test-drive vehicle at various speeds and over various road surfaces.
Did C1209 reset?		 - Go to Step 7 Go to Step 6
6 DTC C1209 is intermittent. Refer to DIAGNOSTIC AIDS . - System OK -
7
  1. Ignition switch "OFF", vehicle in park.
  2. Raise and suitably support the vehicle.
  3. Disconnect the right rear jumper harness from the right rear wheel speed sensor.
  4. Connect an ohmmeter to terminals 2 and 1 of the rear wheel speed sensor.

Is the resistance with in specified range?.		 800 - 1,600 Ω (Resistance will vary with temperature) Go to Step 9 Go to Step 8
8 Replace the right rear wheel speed sensor. - System OK -
9
  1. Right rear jumper harness still disconnected from the speed sensor.
  2. Connect an ohmmeter to terminal 2 of the right rear wheel speed sensor and then to body ground.

Is the resistance within the specified range?		 OL (open circuit) Go to Step 10 Go to Step 8
10
  1. Disconnect the EBCM harness from the EBCM.
  2. Disconnect the right rear jumper harness from the wheel speed sensor.
  3. Connect an ohmmeter to EBCM harness terminal 23 and then the wheel speed sensor terminal 2.

Is the resistance within the specified range?		 Less than 2 Ω Go to Step 12 Go to Step 11
11 Repair the open or high resistance between terminals 23 and 2. - System OK -
12
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect an ohmmeter to EBCM harness terminal 22 and then to wheel speed sensor terminal 1.

Is the resistance within the specified range?		 Less than 2 Ω Go to Step 4 Go to Step 13
13 Repair the open or high resistance between terminals 22 and 1. - System OK -
14
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect a voltmeter to EBCM harness terminal 23 and then to body ground.

Is the voltage within the specified range?		 Less than 1 V Go to Step 16 Go to Step 15
15 Repair the short to voltage between terminals 23 and 2. - System OK -
16
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect a voltmeter to EBCM harness terminal 22 and then to body ground.

Is the voltage within the specified range?		 Less than 1 V Go to Step 18 Go to Step 17
17 Repair the short to voltage between terminals 22 and 1. - System OK -
18
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect an ohmmeter to EBCM harness terminal 23 and then to body ground.

Is the resistance within the specified range?		 OL (open circuit) Go to Step 20 Go to Step 19
19 Repair the short to ground between terminals 23 and 2. - System OK -
20
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect an ohmmeter to EBCM harness terminal 22 and then to body ground.
  4. Connect an ohmmeter to EBCM harness terminal 23 and then to body ground.

Is the resistance within the specified range?		 OL (open circuit) Go to Step 22 Go to Step 21
21 Repair the short to ground between terminals 22 and 1. - System OK -
22
  1. EBCM harness still disconnected from the EBCM.
  2. Right rear jumper harness still disconnected from the wheel speed sensor.
  3. Connect an ohmmeter to EBCM harness terminal 23 and 22.

Is the resistance within the specified range?		 OL (open circuit) Go to Step 24 Go to Step 23
23 Repair the short between the 2 circuits. - System OK -
24
  1. Replace the right rear wheel speed sensor jumper harness.
  2. Test-drive the vehicle at various speeds and various road surfaces.

Did C1209 reset?		 - Go to Step 25 System OK
25 Replace the EBCM. - System OK -
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