Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Lost Communication with Blind Spot Monitor Slave Module (U0232)

Toyota Tacoma 2015-2018 Service Manual / Park Assist / Monitoring / Blind Spot Monitor System / Lost Communication with Blind Spot Monitor Slave Module (U0232)

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 Code

DTC Detection Condition

Trouble Area

U0232

The blind spot monitor sensor LH cannot receive signals from the blind spot monitor sensor RH.

  • CAN communication Line
  • Harness or connector
  • Blind spot monitor sensor LH
  • Blind spot monitor sensor RH

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

  • When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR LH - BLIND SPOT MONITOR SENSOR RH)

(a) Disconnect the B12 blind spot monitor sensor LH connector.

(b) Disconnect the B13 blind spot monitor sensor RH connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

B12-1 (CA2P) - B13-1 (CA2P)

Always

Below 1 Ω

B12-6 (CA2N) - B13-6 (CA2N)

Always

Below 1 Ω

NG

REPAIR OR REPLACE CAN LINE OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BATTERY AND BODY GROUND)

(a) Disconnect the blind spot monitor sensor RH connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

B13-5 (BLB) - Body ground

Ignition switch ON

11 to 14 V

Ignition switch off

Below 1 V

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

B13-10 (BRGD) - Body ground

Always

Below 1 Ω

Text in Illustration

*a

Front view of wire harness connector

(to Blind Spot Monitor Sensor RH)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK BLIND SPOT MONITOR SENSOR RH

(a) Replace the blind spot monitor sensor RH with a new or normally functioning one (See page (b) Clear the DTCs (See page  ). ).

(b) Clear the DTCs (See page (c) Recheck for DTCs and check if the same DTC is output again (See page ).

(c) Recheck for DTCs and check if the same DTC is output again (See page OK: ).

OK:

No DTCs are output.

OK

END (BLIND SPOT MONITOR SENSOR RH WAS DEFECTIVE)

NG

REPLACE BLIND SPOT MONITOR SENSOR LH

Software Incompatibility with Body Control Module "B" (U1331)
DESCRIPTION This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors. DTC Code ...

Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0142)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may ...

Other materials:

Check Bus 5 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and ...

System Description
SYSTEM DESCRIPTION 1. ILLUMINATED ENTRY SYSTEM (a) The illuminated entry system has the following control functions: Control Outline Lights that Operate Actuation Area-linked*1 When a registered key enters any actuation area around the ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SHIFT LEVER POSITION (a) When moving the shift lever from P to each position with the ignition switch ON and the brake pedal depressed, check that the shift lever moves smoothly and correctly into position. (b) Start the engine and check that the ve ...

© 2011-2019 Copyright www.ttguide.net