DTC Detection Logic

NOTE: If DTC P26A3 is displayed with DTC P26A5, P26A6, and/or P26A7 first perform the trouble diagnosis for DTC P26A5, P26A6, and/or P26A7. Refer to DTC Index .

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible Cause

P26A3

ENGINE COOLANT BYPASS VALVE

(Engine coolant bypass valve A range/performance)

ECM detects the following status continuously for 10 seconds or more:

Target valve angle - actual valve angle +/- 5 deg.

Harness or connectors
(Multi-way control valve motor circuit is open or shorted.)
Multi-way control valve