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Toyota
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2009
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Highlander Base, 2.7 A
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (1AR-FE) - DTC P0504 - P0657
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DTC P0604 Random Access Memory (RAM)
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Monitor Strategy
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Monitor Strategy
MONITOR STRATEGY CHART
Related DTCs
P0604: ECM RAM Error
Required Sensors/Components (Main)
ECM
Required Sensors/Components (Related)
None
Frequency of Operation
Continuous
Duration
6 times
MIL Operation
Immediate
Sequence of Operation
None