Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Touch Pad Memory Module Malfunction (B155B)

DESCRIPTION

This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen memory module malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B155B

Touch Pad Memory Module Malfunction

Internal memory module malfunction

Remote touch (remote operation controller assembly)

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

CHECK INFORMATION CODE

(a) Check that the part number of the remote touch (remote operation controller assembly) is correct.

Result

Proceed to

The part number of the remote touch (remote operation controller assembly) is correct

A

The part number of the remote touch (remote operation controller assembly) is incorrect

B

B

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

A

3.

REMOTE TOUCH SELF CHECK (CHECK REMOTE TOUCH SCREEN OPERATION POSITION RECOGNITION CONDITION)

(a) Enter self-diagnostic mode.

Click here

(b) Operate the remote touch screen laterally and check that the remote touch screen generates vibration feedback.

NOTICE:

Since the remote touch screen may recognize a pinch in/out or flick operation if operated with 2 fingers, always use 1 finger to operate the remote touch screen in self-diagnostic mode.

HINT:

When operating at an excessively low temperature, vibration feedback may be difficult to feel.

Result

Proceed to

Vibration feedback is generated according to remote touch screen operation

A

The switch illumination changes but vibration feedback is not generated according to remote touch screen operation

B

B

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

A

4.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Turn the engine switch off.

(c) Turn the engine switch on (ACC) and wait for 5 seconds.

(d) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

    Touch Pad Vibration Driver Malfunction (B155A)
    DESCRIPTION This DTC is stored if the remote touch (remote operation controller assembly) detects a malfunction in itself, such as internal hardware failure or remote touch screen vibration driver mal ...

    GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)
    DESCRIPTION The multi-display assembly and parking assist ECU are connected via video signal (digital) lines. This DTC is stored when a video signal (digital) line is disconnected. DTC No. Detect ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Quarter Trim Speaker (w/ Rear No. 2 Seat): Inspection
    INSPECTION PROCEDURE 1. INSPECT QUARTER SIDE SPEAKER ASSEMBLY (a) With the speaker installed, check that there is no looseness or other abnormalities. (b) Check that there is no foreign matter in the speaker, no tears on the speaker cone or other abnormalities. (c) Measure the resistance of the s ...

    Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual > Power Seat Switch(w/o Seat Position Memory System): Inspection
    INSPECTION PROCEDURE 1. INSPECT FRONT POWER SEAT SWITCH LH (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Slide Switch Tester Connection Condition Specified Condition 5 - 7 Slide switch pressed (Front) Below 1 Ω 5 - 8 2 - 11 ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2022 Copyright www.lexusrx.net
    0.0156