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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Control System - Diagnostic Codes (P22AB-U115C) & Circuit Tests (1 Of 2)) >> SFI System >> DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [11/2021 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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Test value of open stuck monitor*1 0.55 or more
*1: Test value is slope of boost pressure to Intake Air Amount*2*3 (Intake Air Amount 1 and Intake Air Amount 2 are Intake Air Amount average of 2 seconds) -
*2: Boost pressure 1 and Intake Air Amount 1 -
Both of the following conditions are met More than 1 second
Intake air amount average during 2 seconds 5 to 10 g/sec
Boost pressure 1 and intake air amount 1 Not calculated
*3: Boost pressure 2 and Intake Air Amount 2 -
Both of the following conditions are met More than 1 second
Intake air amount average during 2 seconds 20 to 30 g/sec
Boost pressure 2 and intake air amount 2 Not calculated