Mazda 6 Service Manual: Troubleshooting (abs/tcs/dynamic stability control)

Mazda 6 Service Manual / Braking system / Troubleshooting (abs/tcs/dynamic stability control)

System wiring diagram
Precaution
Symptom troubleshooting
No.1 abs warning light, brake system warning light, tcs off light do not illuminate with ignition switch on
No.2 neither abs warning light nor brake system warning lightilluminate with ignition switch on
No.3 abs warning light does not illuminate with ignition switch on
No.4 brake system warning light does not illuminate with ignition switch on
No.5 tcs off light does not illuminate with ignition switch on
No.6 both abs warning light and brake system warning light stay on more than 4 seconds with ignition switch on
No.7 abs warning light stays on more than 4 seconds with ignition switch on
No.8 brake system warning light stays on more than 4 seconds with ignition switch on
No.9 tcs off light stays on more than 4 seconds with ignition switch on
No.10 tcs does not work correctly
No.11 there is malfunction in the system even though abs warning light, brake system warning light, tcs off light do not illuminte
No.1 any of the following lights do not illuminate with ignition switch on: (abs warning light, brake system warning light, dsc indicator light and/or tcs-off light)
No.2 any of the following lights stay on: (abs warning light, brake system warning light, dsc indicator light and/or tcs-off light)
No.3 there is a malfunction in the system even though abs warning light, brake system warning light, dsc indicator light and tcs-off light do not illuminate
No.4 abs or tcs*1 operates frequently/tcs does not work correctly*1: dsc system function contains traction control function, dsc indicator light goes on and off while dsc operates
No.5 dsc*2 operates frequently/dsc does not work correctly*2: dsc indicator light goes on and off while dsc operates

Dtc u2021

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

System wiring diagram

ABS (ABS/TCS) DSC FOREWORD Before performing the steps in Symptom Troubleshooting, perform the On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection steps. ...

Other materials:

Mazda 6 Service Manual: Power brake unit inspection
Warning The following inspection methods are the simple inspection methods to judge the function of power brake. If there is malfunction in power brake unit, replace the power brake unit as a component. Power Brake Unit Function Check (Simple Method) Step 1 1. With the engine stoppe ...

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 ...