Toyota Camry (XV70): DCM System Internal Failure (B15A804)
Toyota Camry Repair Manual XV70 (2018-2024) / Audio, Visual, Telematics / Cellular Communication / Safety Connect System / DCM System Internal Failure (B15A804)
DESCRIPTION
This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
|---|---|---|---|
|
B15A804 | DCM System Internal Failure |
DCM (telematics transceiver) internal malfunction |
DCM (telematics transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
- Regardless of whether DTC B15A804 has been output as a present or history DTC, the DCM (telematics transceiver) should be replaced.
- Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.
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PROCEDURE
|
1. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
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NOTICE:
- The engine switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT | .gif) | PERFORM DCM ACTIVATION |
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GNSS Antenna Circuit Short to Ground (B15C111,B15C113)
DESCRIPTION These DTCs are stored when a malfunction occurs in the telephone and GPS antenna (for Roof Side) circuit.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Airbag Signal Signal Plausibility Failure (B15C464)
DESCRIPTION If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag sensor assembly as a result of the DCM (telematics transceiver
Emergency Call Switch Circuit Short to Ground (B15C511,B15C513)
DESCRIPTION If the DCM (telematics transceiver) detects an error in the communication between the DCM (telematics transceiver) and the roof console box sub-assembly (manual (SOS) switch) as a result o
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the safety connect system.
*: Use the Techstream.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
HINT
Inspection
INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY
HINT: Use the same procedure for the intake side and exhaust side.
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connect
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