DTC C124F-62: Yaw Rate Sensor Signal Compare Failure [08/2019 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Brake / Data List.
5. According to the display on the Techstream, read the Data List.
6. Check that the yaw rate sensor output value displayed on the Techstream.

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Yaw Rate Sensor Value	Yaw rate and acceleration sensor (air bag sensor assembly)	Min.: -128°/s Max.: 127°/s	Vehicle stopped: 0°/s Turning right: -128 to 0°/s Turning left: 0 to 127°/s	-

   HINT: 

   If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step.

   Refer to PROBLEM SYMPTOMS TABLE [08/2019 - ]

   Result

   Result	Proceed to
   NG (The yaw rate sensor (air bag sensor assembly) output value is 0 deg/s when the vehicle is stationary, but the value fluctuates when turning)	A
   NG (The yaw rate sensor (air bag sensor assembly) output value is not 0 deg/s when the vehicle is stationary)	B
   OK	C

Result: 

B 

REPLACE AIR BAG SENSOR ASSEMBLY. Refer to  REMOVAL [08/2015 - ] 

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

A 

See step  2

1. Turn the ignition switch off.
2. Check that the air bag sensor assembly has been installed properly.

   Refer to INSTALLATION [08/2015 - ]

   OK

   The sensor should be tightened to the specified torque.

   The sensor should not be installed in a tilted position.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIR BAG SENSOR ASSEMBLY. Refer to  REMOVAL [08/2015 - ] 

Result: 

NG 

INSTALL AIR BAG SENSOR ASSEMBLY. Refer to  INSTALLATION [08/2015 - ]