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: Barometric pressure (baro) sensor inspection
Note Perform the following inspection only when directed. The following vacuum values are indicated by relative pressure from the barometric pressure sensor. 1. Connect the SSTs (WDS or equivalent) to the DLC-2. 2. Turn the ignition switch to ON. 3. Select BARO on the SSTs (WDS or equi ...

Mazda 6 Service Manual: To Operate the System
The High Beam Control System (HBC) operates to switch the headlights automatically between high and low beams after the ignition is switched ON and the headlight switch is in the AUTO and high beam position. The High Beam Control System (HBC) determines that it is dark based on the brightness ...