INSPECTION
PROCEDURE
1. INSPECT MAP LIGHT ASSEMBLY
|
(a) Check the map light. (1) Apply battery voltage to the map light assembly and check that the map light comes on. OK:
If the result is not as specified, replace the map light bulb or map light assembly. |
|
(b) Check the door switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
10 (DOOR) - 4 (RLMP) |
Door switch on |
Below 1 Ω |
|
Door switch off |
10 kΩ or higher |
If the result is not as specified, replace the map light assembly.
(c) Check the switch illumination.
(1) Apply battery voltage to the map light assembly and check that the illumination comes on.
OK:
|
Battery Connection |
Specified Condition |
|---|---|
|
Battery positive (+) → 2 (ILLB) Battery negative (-) → 3 (GND) |
Illumination comes on |
If the result is not as specified, replace the map light assembly.
Removal
InstallationToyota CH-R Service Manual > Seat Heater System: Lost Communication with Front Seat Temperature Adjustment Switch LIN (B14B5)
DESCRIPTION
The seat heater switch (air conditioning control assembly) communicates with
the air conditioning amplifier assembly via LIN communication.
If the LIN communication system is malfunctioning, the air conditioning amplifier
assembly will not operate even if the seat heater switch (ai ...
Toyota CH-R Service Manual > Tire Pressure Warning System: ECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write them
dow ...