Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012SBC
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 06/2017]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: B1324; Lost Communication with Meter; 2018 MY Camry [03/2017 - 06/2017]

DTC

B1324

Lost Communication with Meter

DESCRIPTION

This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1324

Lost Communication with Meter

CAN reception error

  • Local bus communication line
  • Combination meter power source circuit
  • Radio and display receiver assembly
  • Combination meter assembly
  • Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here 2018 MY Camry [03/2017 - 06/2017]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PRECAUTION

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.
  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY POWER SOURCE)

(a) Disconnect the K21 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K21-21 (ES) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

K21-40 (B) - Body ground

Always

11 to 14 V

K21-39 (IG+) - Body ground

Ignition switch ON

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR

(a) Disconnect the cable from the negative (-) battery terminal.

(b) Disconnect the K21 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K21-36 (TX+) - K21-37 (TX-)

Cable disconnected from negative (-) battery terminal

108 to 132 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

3.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)

(a) Disconnect the K2 radio and display receiver assembly connector.

(b) Disconnect the K21 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K2-5 (CNH1) - K21-36 (TX+)

Always

Below 1 Ω

K2-6 (CNL1) - K21-37 (TX-)

Always

Below 1 Ω

K2-5 (CNH1) or K21-36 (TX+) - Body ground

Always

10 kΩ or higher

K2-6 (CNL1) or K21-37 (TX-) - Body ground

Always

10 kΩ or higher

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR