DTC Description

DTC DETECTION LOGIC

DTC		M.U.T.-III SE screen terms (Trouble diagnosis content)	DTC detection condition
P054B	00	Cold start B camshaft position bank 1 (Cold start B camshaft position timing over-retarded bank 1)	Diagnosis condition	Cold condition
			Signal (terminal)	Exhaust camshaft position sensor
			Threshold	There is a gap between angle of target and actual angle when the engine is in a cold condition.
			Diagnosis delay time	30 seconds

POSSIBLE CAUSE

Exhaust valve timing intermediate lock control solenoid valve

FAIL-SAFE

Engine operating condition in fail-safe mode
Fail safe mode		Vehicle behavior
Device fix mode		This mode fixes the electric IVT motor and the EVT control solenoid valve in the reference position. The intake manifold runner control valve motor is turned OFF (intake manifold runner control valve opens). A control signals is not transmitted to EGR volume control valve and the EGR volume control is deactivated.

DTC Confirmation Procedure

1.PRECONDITIONING

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.

With M.U.T.-III SE

Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
On the M.U.T.-III SE screen, select “ENGINE” >> “DATA MONITOR” >> “COOLANT TEMP/S”.
Check “COOLANT TEMP/S” indication value.

With GST

Follow the procedure “With M.U.T.-III SE” above.

Is the value of “COOLANT TEMP/S”−5°C (23°F) and 45°C (113°F)?

-1 [if it is below −5°C (23°F)]Warm up the engine until the value of “COOLANT TEMP/S” indicates −5°C (23°F) and 45°C (113°F). And then

-2 [if it is above 45°C (113°F)]Cool the engine down to the value of “COOLANT TEMP/S” indicates −5°C (23°F) and 45°C (113°F). And then

2.PERFORM DTC CONFIRMATION PROCEDURE-I

Is 1st trip DTC detected?

-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident

-2Confirmation after repair: INSPECTION END