Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001G705
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): B132187; Lost Communication with EMV Missing Message; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

DTC

B132187

Lost Communication with EMV Missing Message

DESCRIPTION

The combination meter assembly and radio and display receiver assembly communicate via local bus communication. This allows audio and visual system information to be displayed on the multi-information display.

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

B132187

Lost Communication with EMV Missing Message

Diagnosis Condition:

  • The power switch is on (IG)
  • IG power source voltage is 9.5 V or more

Malfunction Status:

  • No communication with radio and display receiver assembly

Malfunction Time:

  • 30 seconds or more
  • Harness or connector
  • Radio and display receiver assembly
  • Combination meter assembly

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

PROCEDURE

1.

CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)

(a) Check if audio and visual system DTCs are output.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO AUDIO AND VISUAL SYSTEM 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): DIAGNOSTIC TROUBLE CODE CHART 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model with Dual Knob Type): DIAGNOSTIC TROUBLE CODE CHART

A

2.

CHECK FOR DTC (AUDIO AND VISUAL SYSTEM)

(a) Disconnect the I4 combination meter assembly connector.

(b) Check if audio and visual system DTCs are output.

Body Electrical > Navigation System > Trouble Codes

HINT:

If audio and visual system DTCs are output, it can be judged that the radio receiver assembly could perform local bus communication line diagnosis, therefore the audio and visual system may not be malfunctioning.

Result

Proceed to

DTCs are not output

A

DTCs are output

B
A

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; AUDIO / VIDEO: RADIO RECEIVER: REMOVAL

B

REPLACE COMBINATION METER ASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL