DESCRIPTION
Power source voltage is supplied to the air conditioning amplifier assembly when the ignition switch is turned ON. This power is used for operating the air conditioning amplifier assembly, servo motors, 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 - IG+ 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 |
Switch Condition |
Specified Condition |
---|---|---|
F72-5 (IG+) - Body ground |
Ignition switch off |
Below 1 V |
F72-5 (IG+) - Body ground |
Ignition switch ON |
11 to 14 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F72-29 (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 > Immobiliser System(w/ Smart Key System): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Inspect the fuses and relays related to this system before inspecting
the suspected areas below.
If the problem only occurs in certain locations or at certain times
of day, check for wave interference.
If the optional components are installed, c ...
Toyota CH-R Service Manual > Window Defogger System: Operation Check
OPERATION CHECK
CHECK WINDOW DEFOGGER SYSTEM
(a) Turn the ignition switch to ON.
(b) Check that the rear window defogger wire becomes warm by operating the rear
window defogger switch of the air conditioning control assembly.
(c) When the vehicle is stopped, confirm that the window defogger sy ...