DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
ECM 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 60 km/h (37 mph) or more for approximately 5 minutes or more.
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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 > Automatic Headlight Beam Level Control System: Left Headlight ECU Variation Error (B2456)
DESCRIPTION
This DTC is stored when a headlight ECU sub-assembly LH which is not compatible
with the vehicle has been installed.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2456
Left Headligh ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: System Description
SYSTEM DESCRIPTION
AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL
(a) General
The automatic headlight beam level control system ensures forward visibility
and prevents dazzling of drivers in oncoming and preceding vehicles by controlling
the headlight beam level vertically when the weight of passenge ...