Toyota 4Runner: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Safety Connect System|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B1570 |
Manual (SOS) Switch Red Indicator Malfunction |
|
|
B1571 |
Manual (SOS) Switch Green Indicator Malfunction |
|
|
B1572 |
Telephone Microphone Error |
|
|
B1573 |
Short in Telephone Antenna Circuit |
|
|
B1583 |
GPS Signal Unreceived |
|
|
B15A8 |
Telematics Transceiver Malfunction |
|
|
B15C0 |
Short in GPS Antenna |
|
|
B15C1 |
Open in GPS Antenna |
|
|
B15C4 |
Airbag Signal Malfunction/Not Input |
|
|
B15C5 |
Manual Button Malfunction |
|
|
B15CB |
Telematics Transceiver Antenna Disconnected |
|
|
B15CC |
Backup Battery Failure |
|
|
B15EC |
Backup Battery Degradation |
|
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Backup Battery Degradation (B15EC)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects either of the
following conditions.
The BUB (Back-Up Battery) charge level becomes less than the criteria.
...
Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects one of the following:
Open or short in the BUB (Back-Up Battery) circuit.
The BUB (Back-Up Battery) voltage dr ...
Other materials about Toyota 4Runner:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedures to troubleshoot the key reminder warning
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK 4WD CONTROL ECU
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Speci ...
0.0117