DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0325-P0400)) >> SFI System >> DTC P0400-00: Exhaust Gas Recirculation "A" Flow; DTC P0401-9C: Exhaust Gas Recirculation "A" Low / Insufficient Flow; DTC P0402-9B: Exhaust Gas Recirculation "A" High/Excessive Flow [12/2019 - 10/2022] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
P0400

Related DTC P0400: EGR valve flow functional
Required Sensors/Components (Main) EGR valve assembly
Manifold absolute pressure sensor
Required Sensors/Components (Related) Crankshaft position sensor
Camshaft position sensor
Vehicle speed sensor
Engine coolant temperature sensor
Mass air flow meter sub-assembly
Frequency of Operation Once per driving cycle
Duration Within 5 seconds
MIL operation 2 driving cycles
Sequence of operation None
P0401, P0402

Related DTC P0401: EGR valve low flow rate
P0402: EGR valve high flow rate
Required Sensors/Components (Main) EGR valve assembly
Manifold absolute pressure sensor
Required Sensors/Components (Related) Crankshaft position sensor
Camshaft position sensor
Vehicle speed sensor
Engine coolant temperature sensor
Mass air flow meter sub-assembly
Frequency of Operation Once per driving cycle
Duration Within 5 seconds
MIL operation 2 driving cycles
Sequence of operation Stored when DTC P0400-00 is stored in the second trip