DIAGNOSTIC TROUBLE CODE CHART
Steering Lock System
DTC No. |
Detection Item |
DTC Detection Condition |
Note |
Link |
---|---|---|---|---|
B2781 |
Open / Short in Steering Lock ECU |
One of the following conditions is met (1-trip detection logic (Only output while a malfunction is present and the engine switch is on (IG).)):
|
DTC Output Confirmation Operation: No confirmation operation is necessary (monitoring is continuous). |
|
B2782 |
Power Source Control ECU Malfunction |
Either of the following conditions is met (1-trip detection logic (Only output while a malfunction is present and the engine switch is on (IG).)):
HINT: If the power supply signal from the LIN communication line does not match the power supply signal from the direct line, the system is determined to be malfunctioning. |
DTC Output Confirmation Operation: Perform a steering lock/unlock operation. (The steering locks when a door is opened with the shift lever in P and the engine switch off. The steering unlocks when the engine switch is turned on (ACC) or on (IG) while carrying the key.) |
|
B2788 |
IG2 Signal Malfunction |
Mismatch between the steering lock ECU (steering lock actuator or upper bracket assembly) IG2 input from the LIN communication system and from the direct line. (1-trip detection logic (Only output while a malfunction is present and the engine switch is on (IG).)) |
DTC Output Confirmation Operation: No confirmation operation is necessary (monitoring is continuous). |
|
Toyota CH-R Service Manual > Tire Pressure Warning System: Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION
The main body ECU (multiplex network body ECU) and tire pressure warning ECU
and receiver are connected using 2 direct lines that they use to communicate with
each other.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota CH-R Service Manual > Vacuum Warning Switch: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR
Click here
2. INSPECT BRAKE BOOSTER ASSEMBLY
Click here
3. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
Click here
4. INSPECT VACUUM WARNING SWITCH ASSEMBLY
(a) Start the engine and stop it after 1 or 2 minute ...