Toyota 4Runner: Telematics Transceiver Malfunction (B15A8)
DESCRIPTION
This DTC is stored when an error in EEPROM or PLL IC is detected during the DCM (Telematics Transceiver) self-check. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores the various data to operate Safety Connect. The PLL IC (Phase-Locked Loop Integrated Circuit) oscillates the telephone radio frequency.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15A8 |
An error in EEPROM or PLL IC is detected. |
DCM (Telematics Transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
Regardless of whether DTC B15A8 has been output as a present or history DTC, the DCM (Telematics Transceiver) should be replaced.
PROCEDURE
|
1. |
PERFORM DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
.gif)
).
NOTICE:
- The ignition switch must be off.
- Do not replace the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT | .gif) |
PERFORM DCM ACTIVATION |
Manual Button Malfunction (B15C5)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects an open or short
circuit in the manual (SOS) switch.
DTC Code
DTC Detection Condition
...
Short in GPS Antenna (B15C0,B15C1)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects an open or a
short in the telephone and GPS antenna circuit. The DCM (Telematics Transceiver)
receives signals at a ra ...
Other materials about Toyota 4Runner:
Door Courtesy Switch Circuit
DESCRIPTION
The side auto step controller ECU assembly receives the door open/closed signal
from each door courtesy light switch via the side auto step switch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
Inspection should be performed on the ...
Operation Check
OPERATION CHECK
1. CHECK INITIAL CHECK FUNCTION
(a) Check the initial check function for the buzzer.
(1) When the back sonar or clearance sonar switch assembly is turned on, check
that the following occurs: 1) after 0.2 seconds, the buzzer sounds for ap ...
0.1131