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DTC P0505 IDLE AIR CONTROL VALVE (IACV) - AUXILIARY AIR CONTROL (AAC) VALVE - CONSULT-II Reference Value / ECM Terminals / On Board Diagnosis Logic / DTC Confirmation Procedure

EF & EC-7201prose procedure

DTC P0505 IDLE AIR CONTROL VALVE (IACV) — AUXILIARY AIR CONTROL (AAC) VALVE

CG10, CGA3

CONSULT-II Reference Value in Data Monitor Mode

CONSULT-II Reference Value in Data Monitor Mode

IACV-AAC/V
CONDITIONEngine: After warming up; Air conditioner switch: OFF; Shift lever: "N"; No-load — Idle
SPECIFICATION%
IACV-AAC/V
CONDITIONEngine: After warming up; Air conditioner switch: OFF; Shift lever: "N"; No-load — 2,000 rpm
SPECIFICATION

ECM Terminals and Reference Value

Specification data are reference values and are measured between each terminal and ground.

ECM Terminals and Reference Value

2
WIRE COLORBR/Y
ITEMIACV-AAC valve
CONDITION[Engine is running] • Warm-up condition • Idle speed
DATA (DC Voltage)0.1 - 14V
9
WIRE COLORL/Y
ITEMIACV-AAC valve
CONDITION[Engine is running] • Warm-up condition • Idle speed
DATA (DC Voltage)0.1 - 14V

On Board Diagnosis Logic

On Board Diagnosis Logic

P0505
Malfunction is detected when ...• An improper voltage signal is sent to ECM through the valve.
Check Items (Possible Cause)• Harness or connectors (The IACV-AAC valve circuit is open.) • IACV-AAC valve

DTC Confirmation Procedure

With CONSULT-II

DTC Confirmation with CONSULT-II

  1. 1
    Turn ignition switch "ON".
  2. 2
    Select "DATA MONITOR" mode with CONSULT-II.
  3. 3
    Start engine and wait at least 2 seconds.
    CONSULT-II DATA MONITOR screen showing MONITOR NO DTC, ENG SPEED XXX rpm, with circled '3'
    SEF058Y
  4. 4
    Rev engine from idle to 2,000 rpm 20 times. If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE", EC-7204.

With GST

DTC Confirmation with GST

  1. 1
    Start engine and wait at least 2 seconds.
  2. 2
    Select "MODE 3" with GST.
  3. 3
    If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE", EC-7204.

See also

EC-7204

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