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: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM
REMOVAL/INSTALLATION)
2. Disconnect the cargo compartment light switch connector.
3. Inspect for continuity between the cargo compartment light switch
terminals using an ohmmeter.
If not as specified, replace the liftgate lock.
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Mazda 6 Service Manual: No.2 air bag system warning light is illuminated all the time
Diagnostic Procedure
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 connec ...