Mazda 6 Service Manual: 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
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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.
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Other materials:
Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble control solenoid valve.
If as specified, carry out the Circuit Open/Short ...
Mazda 6 Service Manual: Crash zone sensor removal/installation
Warning
Handling the crash zone sensor improperly can accidentally deploy the air bag
module and pre-tensioner seat belt, which may seriously injure you. Read AIR BAG
SYSTEM SERVICE WARNINGS before handling the crash zone sensor. (See SERVICE
WARNINGS.)
1. Turn the ignition switch to LO ...