Mazda 6 Service Manual: Dtc c1510, c1511, c1512, c1513

Dtc c1508

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: 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 ...

Mazda 6 Service Manual: Idle air control (iac) valve inspection
Note Perform the following inspection only when directed. Operation Test Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.) If not as specified, perform the further inspection for the IAC valve. Resistance Inspection 1. Disconnect the negative batt ...