Toyota CH-R Service Manual: Front Passenger Side Seat Belt Warning Light Malfunction
DESCRIPTION
When the ignition switch is ON, the combination meter assembly monitors the state of the front passenger side seat and the front seat inner belt assembly (front passenger seat) and also whether the front passenger seat is occupied. If the front passenger side seat belt is not fastened, the seat belt warning light of the combination meter assembly blinks. If the seat belt is fastened, the warning light goes off.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
HINT:
- The seat belt warning light on the combination meter assembly is used
for both the driver seat and front passenger seat. Check that the operation
of the seat belt warning light is normal first.
Click here
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- If the seat belt warning light does not operate for both the driver
seat and front passenger seat, replace the combination meter assembly.
Click here
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (P-SEATBELT BUCKLE SW) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Combination Meter > Data List|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
P-Seatbelt Buckle SW |
Front passenger seat belt buckle switch signal |
ON or OFF |
ON: Front passenger seat belt not fastened OFF: Front passenger seat belt fastened |
Perform the inspection while sitting in the front passenger side seat. |
|
Tester Display |
|---|
|
P-Seatbelt Buckle SW |
|
Result |
Proceed to |
|---|---|
|
ON or OFF is displayed on the Techstream screen according to the front passenger side seat belt condition and front passenger seat condition (occupied or unoccupied) |
A |
|
ON or OFF is not displayed normally on the Techstream screen according to the front passenger side seat belt condition |
B |
| A | .gif) |
REPLACE COMBINATION METER ASSEMBLY |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) - COMBINATION METER ASSEMBLY AND BODY GROUND) |
(a) Disconnect the F4 combination meter assembly connector.
(b) Disconnect the M53 front seat inner belt assembly (front passenger seat) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F4-7 (PKBI) - M53-3 (+) |
Always |
Below 1 Ω |
|
F4-7 (PKBI) or M53-3 (+) - Body ground |
Always |
10 kΩ or higher |
|
M53-2 (E) - Body ground |
Always |
Below 1 Ω |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
INSPECT FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) |
(a) Remove the front seat inner belt assembly (front passenger seat).
Click here
(b) Inspect the front seat inner belt assembly (front passenger seat).
Click here
| NG | |
REPLACE FRONT SEAT INNER BELT ASSEMBLY (FRONT PASSENGER SEAT) |
|
|
4. |
INSPECT SEPARATE TYPE FRONT SEAT CUSHION PAD (OCCUPANT DETECTION SENSOR) |
(a) Remove the separate type front seat cushion pad (occupant detection sensor).
Click here
(b) Inspect the separate type front seat cushion pad (occupant detection sensor).
Click here
| OK | |
REPLACE COMBINATION METER ASSEMBLY |
| NG | |
REPLACE SEPARATE TYPE FRONT SEAT CUSHION PAD (OCCUPANT DETECTION SENSOR) |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVER SEAT BELT WARNING SYSTEM
HINT:
The seat belt warning light on the combination meter assembly is used for both
the driver seat and front passenge ...
Tongue Plate Stopper
Components
COMPONENTS
ILLUSTRATION
*1
TONGUE PLATE STOPPER
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-
●
Non-reusable part
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-
...
Other materials:
Toyota CH-R Service Manual > Forced Release(for Tmmt Made): Operation Method
OPERATION METHOD
PROCEDURE
1. PRECAUTION
Click here
2. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY
Click here
3. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP LH
Click here
4. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP RH
HINT:
Use the same procedure as for the LH side.
...
Toyota CH-R Service Manual > Navigation System: Lost Communication with Meter (B1324)
DESCRIPTION
This DTC is stored when a communication error occurs between the radio and display
receiver assembly and combination meter assembly.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B1324
Lost Communic ...
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