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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P054600EXHAUST GAS TEMPSENSOR 1 B1
(Exhaust gas temperature sensor circuit high bank 1sensor 1)
Diagnosis condition–
Signal (terminal)Exhaust gas temperature sensor signal
ThresholdECM detects that a voltage signal from exhaust gas temperature sensor is more than 4.84 V.
Diagnosis delay time5 seconds or more
 
 
POSSIBLE CAUSE
  • Harness or connectors
    (Exhaust gas temperature sensor circuit is open.)
  • Exhaust gas temperature sensor
 
 
FAIL-SAFE
Not applicable
 
 
DTC Confirmation Procedure
1.PRECONDITIONING-1
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure 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 that battery voltage is more than 11 V at idle.
: .
 
2.PRECONDITIONING-2
With M.U.T.-III SE
  1. Turn ignition switch ON.
  2. Select "COOLANT TEMP/S" in "DATA MONITOR" mode of "ENGINE" using M.U.T.-III SE.
  3. Check the following conditions:
    COOLANT TEMP/SMore than –30°C (–22°F)
With GST
Follow the procedure "With M.U.T.-III SE" above.
 
Is the condition satisfied?
.
.
 
3.PRECONDITIONING-3
With M.U.T.-III SE
  1. Start the engine until the following condition is satisfied.
    COOLANT TEMP/SMore than –30°C (–22°F)
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON.
  4. Turn ignition switch OFF and wait at least 10 seconds.
With GST
Follow the procedure "With M.U.T.-III SE" above.
 
: .
 
4.PERFORM DTC CONFIRMATION PROCEDURE
  1. Shift the selector lever to P range.
  2. Start engine and let it idle for at least 20 seconds.
  3. Depress the accelerator pedal for 5 seconds or more.
    noteDo not release the accelerator pedal during DTC confirmation procedure.
  4. Check 1st trip DTC.
Is 1st trip DTC detected?
Proceed to DTC Diagnosis Procedure.
To check malfunction symptom before repair: Refer to Work Flow.
Confirmation after repair: INSPECTION END