Caution

Diagnostic procedure

Dtc b1318
Dtc b1483, b1484, b1486Mazda 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 ...
Mazda 6 Service Manual: Throttle position (tp) sensor inspection
Note
Perform the following inspection only when directed.
Resistance Inspection
1. Perform the following test only when directed.
If as specified but TP PID value is out of specification, inspect
resistance of TP sensor.
If not as specified, inspect the following:
- Accelerato ...