Lexus ES: Fail-safe Chart
Lexus ES (XZ10) Service Manual / Suspension / Tire Pressure Monitoring / Tire Pressure Warning System (for Hv Model) / Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the tire pressure warning system, the tire pressure warning light illuminates after blinking for 1 minute to inform the driver of the system failure.
(b) As a result of this, tire pressure monitoring is disabled and a DTC is stored in the tire pressure warning ECU and receiver.
(c) When there is a system malfunction, the value of each related tire is not displayed.
| *a | Example |
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Data List / Active Test
DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Tire Pressure Warning ECU and Receiver DTC No. Detection Item Note Link B1247 Tire Pressure Monitor Receiver Communication Stop This DTC is for main body
Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver communicate by direct line. If a malfunction occurs in this communication signal, B1247 is output
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Components
COMPONENTS
ILLUSTRATION
*1
FRONT WHEEL OPENING EXTENSION PAD RH
*2
FRONT WHEEL OPENING EXTENSION PAD LH
*3
NO. 1 ENGINE UNDER COVER
*4
NO. 2 ENGINE UNDER COVER ASSEMBLY
*5
FI
Increasing Pressure Solenoid (FR) (C1352-C1359)
DESCRIPTION Each solenoid adjusts the pressure which affects each wheel cylinder according to signals from the skid control ECU (brake booster with master cylinder assembly) and controls the vehicle. DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note C13
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