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Problem Symptoms Table

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

HYBRID CONTROL SYSTEM: 

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See Procedure
EV mode cannot be turned on EV mode switch circuit EV DRIVE MODE SWITCH CIRCUIT 
The EV mode light does not come on EV mode switch circuit EV DRIVE MODE SWITCH CIRCUIT 
The EV mode light remains on EV mode switch circuit EV DRIVE MODE SWITCH CIRCUIT 
The Hybrid PWR light or the Hybrid SNOW light does not come on Pattern select switch circuit PATTERN SELECT SWITCH CIRCUIT 
Modes cannot be changed using the pattern select switch Pattern select switch circuit PATTERN SELECT SWITCH CIRCUIT 
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