Description

Refer to DTC P0412 (See page ES-189).

DTC No.

DTC Detection Conditions

Trouble Areas

Pi6iS

Either of following conditions (1) or (2) met

(1) All of following conditions met (1 trip detection logic):

• Either of air pump or air switching valve not operating

• Diagnostic signal from Air Injection Control Driver (AID) 80 %

• Battery voltage 8 V or more

(2) Both of following conditions met (1 trip detection logic):

• Battery voltage 8 V or more

• Diagnostic signal from AID abnormal (duty signal other than 0, 20, 40, 80 and 100 %)

• Open in AID ground circuit

Pi6iS

All of following conditions met (1 trip detection logic):

(a) Air injection system operating (Air Switching Valve [ASV] ON and air pump ON)

(b) Diagnostic signal from Air Injection Control Driver (AID) 0 %

(c) Battery voltage 8 V or more

• Short in diagnostic information signal circuit (AID -ECM)

• Open or short in air pump and air switching valve command signal circuit (AID - ECM)

• Open in AID ground circuit

• ECM

Pi6iS

Both of following conditions met (1 trip detection logic):

(a) Battery voltage 8 V or more

(b) Diagnostic signal from Air Injection Control Driver (AID) 100 %

• Open or short in AID power source circuit

• Open in diagnostic information signal circuit (AID -ECM)

• ECM

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