Diagnosis Procedure

INTAKE SENSOR


Intake Sensor Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

DIAGNOSTIC PROCEDURE FOR INTAKE SENSOR





SYMPTOM: Intake sensor circuit is open or shorted. Using the CONSULT-III, DTC B2581 or B2582 is displayed. Without a CONSULT-III, code 56 or 57 is indicated on A/C auto amp. as a result of conducting self-diagnosis.
1.CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND





1. Disconnect intake sensor connector.
2. Turn ignition switch ON.
3. Check voltage between intake sensor harness connector M146 terminal 2 and ground.

2 - Ground : Approx. 5V

Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 4.
2.CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.





1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between intake sensor harness connector
M146 (B) terminal 1 and A/C auto amp. harness connector M49
(A) terminal 26.

1 - 26 : Continuity should exist.

Is the inspection result normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK INTAKE SENSOR
Check intake sensor. Component Inspection.
Is the inspection result normal?
YES - 1. Replace A/C auto amp. Service and Repair.
2. Go to A/C Auto AMP. Self-Diagnosis and perform self-diagnosis.
NO - 1. Replace intake sensor. Intake Sensor.
2. Go to A/C Auto AMP. Self-Diagnosis and perform self-diagnosis.
4.CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.





1. Turn ignition switch OFF.
2. Disconnect A/C auto amp. connector.
3. Check continuity between intake sensor harness connector
M146 (B) terminal 2 and A/C auto amp. harness connector M49
(A) terminal 11.

2 - 11 : Continuity should exist.

4. Check continuity between intake sensor harness connector
M146 (B) terminal 2 and ground.

2 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - 1. Replace A/C auto amp. Service and Repair.
2. Go to A/C Auto AMP. Self-Diagnosis and perform self-diagnosis.
NO - Repair harness or connector.