Toyota Tacoma (2015-2018) Service Manual: Automatic High Beam Camera (B124C)
DESCRIPTION
The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera
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DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B124C |
Automatic High Beam Camera |
Malfunction in forward recognition camera |
Forward recognition camera system |
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK FORWARD RECOGNITION CAMERA SYSTEM |
(a) Check the forward recognition camera system.
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Proceed to |
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Automatic High Beam System (B124B)
DESCRIPTION
The main body ECU (multiplex network body ECU) determines the status of the automatic
high beam system based on the automatic high beam system signal from the forward
recognition came ...
Lost Communication with Front Camera Module (U023A)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
DTC Detecting Condition
Trouble Area
U023A
...
Other materials:
Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Combination Meter ECU Communication Stop Mode
Either condition is met:
Communication stop for "Combination Meter" is indicated on the
"Communication Bus Ch ...
Lock Switch Circuit
WIRING DIAGRAM
PROCEDURE
1.
CHECK REAR DIFFERENTIAL LOCK INDICATOR LIGHT
(a) Turn the ignition switch to ON.
(b) for 4WD:
Finish switching to L4.
(c) Check the rear differential lock indicator light.
(d) Press the differential lock switch.
(e) After 60 secon ...
Brake Switch "A" Circuit Open (P057113)
DESCRIPTION
When the brakes are applied by the dynamic radar cruise control system, the skid
control ECU (master cylinder solenoid)*1 or skid control ECU (brake actuator assembly)*2
operates the stop light switch assembly (stop light relay) to illuminate the stop
lights.
If the ECM receives ...
