DESCRIPTION
The meter CPU receives satellite switch signals from the satellite switch in this circuit. The meter CPU sends satellite switch signals to the Main Body ECU RH*1, AFS ECU, clearance warning ECU*2, and seat belt control ECU*3 using the BEAN lines. Each system ECU is controlled based on these signals.
*1: w/ Intrusion Sensor
*2: w/ Lexus Parking Assist-sensor System
*3: w/ Pre-crash Brake
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
INSPECT SATELLITE SWITCH
Disconnect the J16 connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE SATELLITE SWITCH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (COMBINATION METER - SATELLITE SWITCH)
Disconnect the J35 connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE COMBINATION METER Click here