DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
ECM Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
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 60 km/h (37 mph) or more for approximately 5 minutes or more.
Click here
Click here
HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (ECM) |
|
2. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
OK | ![]() |
REPLACE ECM |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Occupant Classification System: Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant detection ECU
and passenger side buckle switch (front seat inner belt assembly RH).
DTC B1771 is stored when a malfunction is detected in the passenger side buckle
switch circuit.
DTC No.
Detec ...
Toyota CH-R Service Manual > Power Steering System: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine S ...