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: 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 ...

Mazda 6 Service Manual: Immobilizer system reprogram procedure
Note When an error occurs during the reprogram procedures, except when the PCM is replaced, repeat the procedure from Step 1. If you still cannot reprogram, confirm how many keys can start the engine. Then, perform the key replacement or addition reprogram procedure according to the val ...