Lexus ES: System Diagram
SYSTEM DIAGRAM
w/ Blind Spot Monitor System 
w/ Panoramic View Monitor System 
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Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the N41 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to
Control Module Communication Bus "A" Off (U0073,U0100,U0124,U0126,U0129,U0140,U0155,U0164,U0265)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the clearance warning ECU assembly. HINT: If CAN communication system DTCs are stored, they may
Lost Communication with Blind Spot Monitor Slave Module (U0232,U0233)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH judges that there is a communication problem with the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Con
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ECM/PCM Power Relay Sense Circuit Intermittent (P06881F)
DESCRIPTION This DTC indicates that the hybrid vehicle control ECU detected an instantaneous interruption in +B power source voltage. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P06881F ECM/PCM Power Relay Sense Circuit Intermittent When the
Replacement
REPLACEMENT CAUTION / NOTICE / HINT CAUTION: To avoid the danger of being burned, do not remove the reserve tank cap or drain cock plug while the coolant (for inverter) is still hot. Pressurized, hot coolant (for inverter) and steam may be released and cause serious burns. *1 Reserve Tank Cap
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