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:
Click here
Click here
DTC check procedure: Turn the ignition switch to ON and wait at least approximately 20 seconds.
Click here
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 Owners Manual > Air conditioning system: Air conditioning controls
■ Adjusting the temperature setting
Increases the temperature
Decreases the temperature
If the
indicator
is turned off, the system will blow ambient temperature air or heated air.
■ Fan speed setting
Increases the fan speed
Decreases the fan speed
Press
to
turn t ...
Toyota CH-R Service Manual > Brake Actuator: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...