Mazda 6 Service Manual: Dtc u2021

Mazda 6 Service Manual / Braking system / On-board diagnostic (dynamic stability control) / Dtc u2021

Note

To warm up the engine completely, idle the engine and wait for more than 5 minutes.

Diagnostic procedure

Dtc c1955, c1956

Caution When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used. Diagnostic procedure ...

Troubleshooting (abs/tcs/dynamic stability control)

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Other materials:

Mazda 6 Service Manual: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the airflow mode actuator. 2. Verify that the airflow mode actuator operates as shown below. If not as specified, replace the airflow mode actuator. 3. Verify that the resistance between the ter ...

Mazda 6 Service Manual: Dual proportioning valve inspection (without abs)
1. Connect the SSTs to the brake pipes as shown in the figure. 2. Bleed the air from the brake system. 3. Measure the fluid pressure of the master cylinder and the rear brake. If not within the specification, replace the dual proportioning valve. Fluid pressure ...