Mazda 6 Service Manual: Dtc c1955, c1956

Dtc c1953, c1954

Diagnostic procedure ...

Dtc u2021

Note To warm up the engine completely, idle the engine and wait for more than 5 minutes. Diagnostic procedure ...

Other materials:

Mazda 6 Service Manual: Transaxle range (tr) switch inspection
Operating Inspection 1. Verify that the starter operates only when the ignition switch is at the START position with the selector lever in P or N position. If not as specified, adjust the TR switch. 2. Verify that the back-up lights illuminate when shifted to R position with the ignition ...

Mazda 6 Service Manual: Engine Coolant Temperature Gauge (Without Multi-information Display)
Displays the engine coolant temperature. The white gauge indicates that the engine coolant temperature is low, and the red gauge indicates that the engine coolant temperature is high and overheating. CAUTION If the engine coolant temperature gauge indicator flashes, there is a possibility ...