DESCRIPTION
This DTC is stored when the steering lock ECU (steering lock actuator or upper bracket assembly) detects an IG2 power supply malfunction.
HINT:
The steering lock ECU (steering lock actuator or upper bracket assembly) is not connected to the CAN communication system. However, the steering lock ECU (steering lock actuator or upper bracket assembly) is connected to the certification ECU (smart key ECU assembly) via LIN communication and communicates with other components via CAN communication through the certification ECU (smart key ECU assembly).
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
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). |
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
---|---|
The steering cannot be locked or unlocked. For this reason, the engine cannot be started. |
- |
DTC No. |
Data List Item |
Active Test Item |
---|---|---|
B2788 |
- |
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
Click here
PROCEDURE
1. |
INSPECT STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) (POWER SOURCE MODE SIGNAL) |
(a) Make sure that there is no looseness at the locking part and the connecting part of the connector.
(b) Disconnect the F78 steering lock ECU (steering lock actuator or upper bracket assembly) connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(d) Reconnect the F78 steering lock ECU (steering lock actuator or upper bracket assembly) connector.
(e) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Rear Seat Inner Belt Assembly(for Lh Side): Removal
REMOVAL
PROCEDURE
1. DISCONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY
Click here
2. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY
Click here
3. REMOVE REAR SEAT CUSHION LOCK HOOK
Click here
4. REMOVE REAR SEAT INNER WITH CENTER BELT ASSEMBLY LH
(a) w/o Seat Belt Warning System:
...
Toyota CH-R Service Manual > General Maintenance: Outside Vehicle
OUTSIDE VEHICLE
These are maintenance and inspection items that are considered to be
the owner's responsibility.
The owner can do them or they can have them done at a service center.
These items include those that should be checked on a daily basis, those
that in most cases ...