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DTC Detection Logic

NOTE:

If DTC P26A5 is displayed with DTC P0117 or P0118, first perform the trouble diagnosis for DTC P0117 or P0118. Refer to DTC Index .
If DTC P26A5 is displayed with DTC P26A3 first perform the trouble diagnosis for DTC P26A3. Refer to DTC Description .
If DTC P26A5 is displayed with DTC P26A6, or P26A7 first perform the trouble diagnosis for DTC P26A6, or P26A7. Refer to DTC Description .

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible Cause

P26A5

ENGINE COOLANT B/V A POSI SEN

(Engine coolant bypass valve A position sensor circuit range/performance)

ECM detects the following status:

A voltage signal transmitted from the multi-way control valve position sensor is 4.76 V or more/4.3 V or less. Outside the above threshold when the valve is moved to the upper side stopper after ignition OFF.
A voltage signal transmitted from the multi-way control valve position sensor is 0.8 V or more/0.34 or less. Outside the threshold when the valve is moved to the lower side stopper after engine start.

Harness or connectors
(Multi-way control valve position sensor circuit is open or shorted.)
Multi-way control valve position sensor
Sensor power supply 2