DESCRIPTION
The back-up power source circuit for the air conditioning amplifier assembly is shown below. Power is supplied even when the ignition switch is off. This power is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - POWER SOURCE) |
(a) Disconnect the air conditioning amplifier assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F139-1 (B) - Body ground |
Always |
11 to 14 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BODY GROUND) |
(a) Disconnect the F139 air conditioning amplifier assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F139-4 (GND) - Body ground |
Always |
Below 1 Ω |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Airbag System: Passenger Airbag ON/OFF Indicator Circuit Malfunction (B1660/43)
DESCRIPTION
The passenger airbag ON/OFF indicator circuit consists of the airbag sensor assembly
and passenger airbag ON/OFF indicator.
The passenger airbag ON/OFF indicator indicates the operation condition of the
instrument panel passenger without door airbag assembly.
DTC B1660/43 is store ...
Toyota CH-R Service Manual > Id Code Box: Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ID code box (immobiliser code ECU), refer to Registration.
Click here
PROCEDURE
1. INSTALL ID CODE BOX (IMMOBILISER CODE ECU)
(a) Engage the guides to install the ID code box (immobiliser code ECU) as shown
in the illustrat ...