Toyota 4Runner: Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page .gif)
).
2. CHECK INDICATOR
(a) When a malfunction is detected in the Safety Connect system, the manual (SOS)
switch red indicator on the manual (SOS) switch illuminates to inform the driver
of the malfunction (See page ).
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DCM (TELEMATICS TRANSCEIVER)
Text in Illustration
*a
Connector color: Blue
(to Telephone antenna)
*b
Connector color: Gray
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK/CLEAR (Using the Techstream)
(a) Check DTC:
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the f ...
Other materials about Toyota 4Runner:
Inside Handle Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the inside handle illumination.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedu ...
Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
DESCRIPTION
w/ Downhill Assist Control:
DTC C1379 is cleared when the downhill assist control switch sends a downhill
assist control operation signal or when test mode ends.
w/ Crawl Control:
DTC C1379 is cleared when the crawl control switch sends a cra ...
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