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: Oil cooler
LF, L3 1. Remove the under cover. 2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.) 3. Remove the oil filter cover, and drain the engine oil into a container. (See OIL FILTER REPLACEMENT.) 4. Remove in the order indicated in the table.   5. Use a clean rag to wipe off the m ...

Mazda 6 Service Manual: Foreword
Caution When the engine does not start or stalls and the following DTCs are not indicated, go to engine symptom troubleshooting. Note When the immobilizer system is defective, the engine cannot be started. If engine condition is normal but light stays on, inspect for short circ ...