Components
COMPONENTS
ILLUSTRATION
|
*1 |
MAP LIGHT ASSEMBLY |
*2 |
MANUAL (SOS) SWITCH (MAYDAY SWITCH ASSEMBLY) |
|
*3 |
COVER |
*4 |
BEZEL |
Removal
REMOVAL
PROCEDURE
1. REMOVE MAP LIGHT ASSEMBLY
Click here
2. REMOVE MANUAL (SOS) SWITCH (MAYDAY SWITCH ASSEMBLY)
|
(a) Disconnect the connector. |
|
|
(b) Disengage the claws to remove the cover. |
|
|
(c) Using a T10 "TORX" driver, remove the 2 screws. |
|
(d) Disengage the guides to remove the manual (SOS) switch (mayday switch assembly) from the bezel.
Inspection
INSPECTION
PROCEDURE
1. INSPECT MANUAL (SOS) SWITCH (MAYDAY SWITCH ASSEMBLY)
|
(a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the resistance is not as specified, replace the manual (SOS) switch (mayday switch assembly). |
|
(b) Check the switch illumination.
(1) Apply battery voltage to the manual (SOS) switch (mayday switch assembly) and check that the illumination comes on.
OK:
|
Battery Connection |
Specified Condition |
|---|---|
|
Battery positive (+) → 5 (SLED) Battery negative (-) → 1 (GND) |
SOS switch comes on |
If the resistance is not as specified, replace the manual (SOS) switch (mayday switch assembly).
(c) Check the indicator illumination.
(1) Apply battery voltage to the manual (SOS) switch (mayday switch assembly) and check that the illumination comes on.
OK:
|
Battery Connection |
Specified Condition |
|---|---|
|
Battery positive (+) → 7 (IND1) Battery negative (-) → 1 (GND) |
Red indicator comes on |
|
Battery positive (+) → 3 (IND2) Battery negative (-) → 1 (GND) |
Green indicator comes on |
If the resistance is not as specified, replace the manual (SOS) switch (mayday switch assembly).
Installation
INSTALLATION
PROCEDURE
1. INSTALL MANUAL (SOS) SWITCH (MAYDAY SWITCH ASSEMBLY)
|
(a) Engage the guides to install the manual (SOS) switch (mayday switch assembly) to the bezel. |
|
(b) Using a T10 "TORX" driver, install the 2 screws.
|
(c) Engage the claws to install the cover. |
|
(d) Connect the connector.
2. INSTALL MAP LIGHT ASSEMBLY
Click here
Dcm(telematics Transceiver)Toyota CH-R Service Manual > Lighting System: System Diagram
SYSTEM DIAGRAM
HEADLIGHT ASSEMBLY (for LED Headlight)
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance b ...