DESCRIPTION
This DTC is stored when there is a problem in the ACC output circuit. The ACC circuit is the circuit that goes from inside the power management control ECU to the ACC relay.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2274 |
The ACC relay actuation circuit inside the power management control ECU or other related circuit is malfunctioning. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) |
|
3. |
CHECK HARNESS AND CONNECTOR |
(a) Disconnect the 2G connector from the main body ECU (driver side junction block assembly).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D43-19 (ACCD) - 2G-9 |
Always |
Below 1 Ω |
D43-19 (ACCD) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Power Management Control ECU) |
*2 |
Front view of wire harness connectors (to Main Body ECU (Driver Side Junction Block Assembly)) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT ACC RELAY |
(a) Remove the ACC relay from the main body ECU (driver side junction block assembly). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - 2 |
Always |
93.8 to 136.4 Ω |
3 - 5 |
When battery voltage is not applied to terminals 1 and 2 |
10 kΩ or higher |
3 - 5 |
When battery voltage is applied to terminals 1 and 2 |
Below 1 Ω |
NG |
REPLACE ACC RELAY |
|
6. |
INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
(a) Remove the main body ECU (driver side junction block assembly) (See page ).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2G-9 - ACC relay terminal 2 |
Always |
Below 1 Ω |
2G-9 - Body ground |
Always |
10 kΩ or higher |
2F-16 - ACC relay terminal 1 |
Always |
Below 1 Ω |
2F-16 - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
*3 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
*2 |
Component without relay connected (ACC Relay Terminal) |
- |
- |
OK |
REPLACE POWER MANAGEMENT CONTROL ECU |
NG |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
Poor Sound Quality in All Modes (Low Volume)
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) Set treble, middle and bass to the initial values and check that the sound
is normal.
OK:
The sound returns to normal.
HINT:
Sound quality adjustment measures vary according to the ...
Disposal
DISPOSAL
CAUTION / NOTICE / HINT
CAUTION:
Before performing pre-disposal deployment of any SRS component, review and closely
follow all applicable environmental and hazardous material regulations. Pre-disposal
deployment may be considered hazardous mate ...
Rear Left Sensor Malfunction (C1AE6)
DESCRIPTION
The No. 1 ultrasonic sensor (rear left sensor) is installed on the rear bumper.
The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor
(rear left sensor). If the No. 1 ultrasonic sensor (rear left sensor) has an o ...