DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Air Conditioning Amplifier Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
w/ Top-mounted Air Conditioner Pressure Sensor
w/ Side-mounted Air Conditioner Pressure Sensor
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait at least approximately 20 seconds.
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HINT:
PROCEDURE
1. |
CHECK VEHICLE TYPE |
(a) Check vehicle type.
Result |
Proceed to |
---|---|
w/ Top-mounted Air Conditioner Pressure Sensor |
A |
w/ Side-mounted Air Conditioner Pressure Sensor |
B |
B | ![]() |
GO TO STEP 4 |
|
2. |
CHECK FOR OPEN IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the air conditioning amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY) |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F72-1 (B) - Body ground |
Always |
11 to 14 V |
F72-5 (IG+) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
4. |
CHECK FOR OPEN IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the air conditioning amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY) |
|
5. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F139-1 (B) - Body ground |
Always |
11 to 14 V |
F139-2 (IG+) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Service Manual > Smart Key System(for Start Function): Brake Signal Malfunction (B2284)
DESCRIPTION
This DTC is stored when the brake signal sent via direct line and the brake signal
sent via CAN communication do not match.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2284
Brake ...
Toyota CH-R Owners Manual > If you have a flat tire: Installing the spare tire
1. Remove any dirt or foreign matter from the wheel contact surface.
If foreign matter is on the wheel contact surface, the wheel nuts may loosen
while the vehicle is in motion, causing the tire to come off.
2. Install the tire and loosely tighten each wheel nut by hand by approximately
th ...