Lexus ES manuals

Lexus ES: Brake System (P157800)

DESCRIPTION

When a malfunction in the electronically controlled brake system is detected, DTC P157800 is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

DTC Output from

P157800

Brake System

When the power switch is on (IG) and the dynamic radar cruise control system is operating, a malfunction in the electronically controlled brake system is detected for 0.2 seconds or more.

Electronically controlled brake system

Does not come on

Hybrid vehicle control ECU

PROCEDURE

1.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

HINT:

If DTC P157800 is output by the dynamic radar cruise control system, perform troubleshooting for the electronically controlled brake system.

Click here

NEXT

END

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 Cruise Control Input Processor (P160700)

DESCRIPTION When the hybrid vehicle control ECU detects that it is not functioning normally, DTC P160700 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Out

 Communication Error from VSC to ECM Invalid Serial Data Received (P163081)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends signals such as brake request signals to the hybrid vehicle control ECU. If an abnormal signal is detected, the hyb

 Communication Error from ECM to VSC Invalid Serial Data Received (P163181)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends signals such as brake request signals to the hybrid vehicle control ECU. When the hybrid vehicle control ECU detect

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 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system(s) after the cable is reconnected. System See Procedure Lane Control System (for HV M

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