Mazda 6 Service Manual: Dtc c1955, c1956
Caution
- When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used.
Diagnostic procedure
Dtc c1953, c1954
Diagnostic procedure
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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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Other materials:
Mazda 6 Service Manual: Variable intake-air system (vis) shutter valve actuator inspection (l3)
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VIS shutter valve actuator.
3. Connect a vacuum pump to the VIS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the intake ma ...
Mazda 6 Service Manual: Variable tumble control system (vtcs) shutter valve actuator inspection
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.
3. Connect a vacuum pump to the VTCS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the intake ...