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: Wheel hub, steering knuckle pre-inspection
Wheel Bearing Play Inspection
1. Position a dial indicator against the wheel hub.
2. Push and pull the wheel hub by hand in the axial direction and measure the
wheel bearing play.
Maximum wheel bearing play
0.05 mm {0.002 in}
3. If the bearing play exceeds the specification, replace and tig ...
Mazda 6 Service Manual: No.1 abs warning light, brake system warning light, tcs off light do not
illuminate with ignition switch on
Vehicle with ABS/TCS
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure conn ...