DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Skid Control ECU Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the blind spot monitor system on using the blind spot monitor main switch (ON/OFF switch), turn the cruise control main switch on, turn the LDA main switch on and then drive the vehicle at a speed of 5 km/h (3 mph) or more for approximately 20 seconds or more.
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HINT:
PROCEDURE
1. |
CHECK DTC (VEHICLE STABILITY CONTROL 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: Chassis / ABS/VSC/TRAC/EPB / Trouble Codes.
Chassis > ABS/VSC/TRAC/EPB > Trouble Codes(e) Check that DTC C1241 which indicates a malfunction in the power source circuit of the vehicle stability control system is not stored by the vehicle stability control system.
Result |
Proceed to |
---|---|
DTC C1241 is not output |
A |
DTC C1241 is output |
B |
B | ![]() |
GO TO DIAGNOSTIC PROCEDURE INDICATED BY OUTPUT DTC |
|
2. |
CHECK FOR OPEN IN CAN BUS LINES (BRAKE ACTUATOR ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the brake actuator assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (BRAKE ACTUATOR ASSEMBLY) |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A42-1 (+BM) - Body ground |
Always |
11 to 14 V |
A42-30 (+BS) - Body ground |
Always |
11 to 14 V |
A42-36 (IG1) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Occupant Classification System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Occupant Classification System
DTC No.
Detection Item
Link
B1771
Passenger Side Buckle Switch Circuit Malfunction
B1780
Front Occupant Classification Sensor LH Circui ...
Toyota CH-R Service Manual > Seat Belt Warning System(w/ Occupant Classification System): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
When replacing the combination meter assembly, always replace it with a new one.
If a combination meter assembly which was installed to another vehicle is used,
the information stored in it will not match the information from the vehicle and
a DTC may be stored ...