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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC detection condition
B20A1-16IPDM E/R
(Intelligent power distribution module engine room)
[CIRC VOLT BELOW THRESHOLD]Diagnosis conditionWhen ignition switch is OFF
Signal (terminal)Battery power supply voltage (terminal #2 and #81)
ThresholdVoltage do not match
Diagnosis delay time1 second or more
 
 
POSSIBLE CAUSE
  • Fusible link
  • Harness or connectors (Battery power supply circuit is open or shorted to ground)
  • IPDM E/R
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Ignition switch ON.
  2. Ignition switch OFF and wait for 1 second or more.
  3. Ignition switch ON.
  4. Check “Self Diagnostic Result” of “IPDM E/R” using M.U.T.-III SE.
Is DTC detected?
Refer to Diagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2 Confirmation after repair: INSPECTION END