Toyota CH-R Service Manual: Backup Battery Degradation (B15EC)

DESCRIPTION

This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.

  • The BUB (Back-Up Battery) charge level becomes less than the criteria.
  • The BUB (Back-up Battery) was used for Automatic Collision Notification (ACN).

When this DTC is set, the BUB (Back-Up Battery) must be replaced.

BUB (Back-Up Battery) degradation DTC B15EC is not reported in deactive mode.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15EC

Backup Battery Degradation

BUB (Back-Up Battery) is used up.

BUB (Back-Up Battery)

CAUTION / NOTICE / HINT

NOTICE:

  • If this DTC is set, be certain to replace the BUB (Back-Up Battery) with a new one.
  • After the BUB (Back-Up Battery) is replaced, it is necessary to clear this DTC.
  • The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress.

    Click here

HINT:

Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct.

Click here

PROCEDURE

1.

CHECK DTC

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch ON and wait for 10 seconds.

(d) Turn the Techstream on.

(e) Clear the DTCs.

Body Electrical > Telematics > Clear DTCs

(f) Recheck for DTCs.

Body Electrical > Telematics > Trouble Codes

Result

Proceed to

DTC B15EC is output

A

DTC B15EC is not output

B

A

REPLACE BUB (BACK-UP BATTERY)

B

CHECK FOR INTERMITTENT PROBLEMS

    Telephone Microphone Error (B1572)
    DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC De ...

    Short in Telephone SUB Antenna Circuit (B1536,B1537)
    DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Front Side) circuit. The DCM (Telematics Transcei ...

    Other materials:

    Toyota CH-R Service Manual > Rear Door Window Frame Moulding: Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL REAR DOOR REAR WINDOW FRAME MOULDING (a) Using an air riveter or hand riveter with a nose piece, install the rear ...

    Toyota CH-R Service Manual > Airbag System: Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
    DESCRIPTION The front passenger side squib circuit consists of the airbag sensor assembly and instrument panel passenger without door airbag assembly. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction ...

    © 2017-2020 Copyright www.tochr.net
    0.0155