Code No. P2142:
Intake Air Control Flap Circuit High
DIAGNOSIS CONTENT
Short circuit to battery
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- Short circuit to battery is only detected if the output level of the output stage
is low.
DIAGNOSIS CONTENT
Excessive temperature of power stage
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- Over temperature of the power stage is only detected if the output level of the
power stage low.
FAIL SAFE FUNCTION
Intake air control flap: OFF
PROBABLE CAUSE
- Failed intake air control flap
- Failed electrical harness in intake air control flap circuit
- Failed engine-ECU
(Refer to Symptom Procedure - Intake Air Control Flap System 
.)