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

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

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.

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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 ...

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Toyota CH-R Service Manual > Navigation System: Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combinati ...

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