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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P180000VIAS S/V CIRC-B1
(VIAS S/V CIRC-B1)
Diagnosis condition—
Signal (terminal)—
ThresholdAn excessively low or high voltage signal is sent to ECM through the intake manifold tuning valve.
Diagnosis delay time—
 
 
POSSIBLE CAUSE
  • Harness or connectors
    (The solenoid valve 1 circuit is open or shorted.)
  • Intake manifold tuning valve
 
 
FAIL-SAFE
Not applicable
 
 
DTC CONFIRMATION PROCEDURE
1.CONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm battery voltage is more than 11 V at idle.
: .
 
2.PERFORM DTC CONFIRMATION PROCEDURE
  1. Start engine and warm it up to the normal operating temperature. [more than 60°C(140°F)]
  2. Let it idle for at least 10 seconds. (engine speed: less than 1,000 rpm)
  3. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END