Toyota 4Runner: Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
HINT:
When DTC B1650/32 is stored as a result of troubleshooting for the airbag system, perform troubleshooting for the occupant classification system.
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Occupant Detection / Trouble Codes.
(e) Check the DTCs by following the prompts on the screen.
HINT:
Refer to the Techstream operator's manual for further details.
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Occupant Detection / Trouble Codes.
(e) Clear the DTCs by following the prompts on the screen.
HINT:
Refer to the Techstream operator's manual for further details.
Diagnosis System
DIAGNOSIS SYSTEM
1. SYMPTOM SIMULATION
HINT:
The most difficult case in troubleshooting is when no problem symptoms occur.
In such a case, a thorough problem analysis must be carried out. A simul ...
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is stored when a malfunction is detected in the occupant classification
ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
DTC Code
...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK OCCUPANT CLASSIFICATION ECU
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
a9-1 (+B) - a9-3 (GND)
W - W-B
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
0.0076