DESCRIPTION
The main body ECU (multiplex network body ECU) controls the high beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (HEAD LIGHT HI) |
(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 / Main Body / Active Test.
(e) Check that the high beam headlights illuminate.
Body Electrical > Main Body > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Head Light Hi |
High beam headlights |
ON or OFF |
- |
Tester Display |
---|
Head Light Hi |
OK:
The high beam headlights illuminate.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
2. |
INSPECT H-LP SHADE RELAY |
(a) Remove the H-LP SHADE relay from the No. 1 engine room relay block.
(b) Inspect the H-LP SHADE relay.
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NG | ![]() |
REPLACE H-LP SHADE RELAY |
|
3. |
CHECK HARNESS AND CONNECTOR (H-LP SHADE RELAY - BATTERY) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay terminal 2- Body ground |
Always |
11 to 14 V |
Relay terminal 5- Body ground |
Always |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (H-LP SHADE RELAY - HEADLIGHT ASSEMBLY LH AND HEADLIGHT ASSEMBLY RH AND BODY GROUND) |
(a) Disconnect the A11 headlight assembly LH connector.
(b) Disconnect the A29 headlight assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay terminal 3 - A11-3 (SOL) |
Always |
Below 1 Ω |
Relay terminal 3 - A29-3 (SOL) |
Always |
Below 1 Ω |
A11-6 (E) - Body ground |
Always |
Below 1 Ω |
A29-6 (E) - Body ground |
Always |
Below 1 Ω |
Relay terminal 3 - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (H-LP SHADE RELAY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Disconnect the F15 main body ECU (Multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay terminal 1 - F15-1 (DIM) |
Always |
Below 1 Ω |
Relay terminal 1- Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Back Door Glass: Components
COMPONENTS
ILLUSTRATION
*A
for Upper Side
*B
for Side
*1
BACK DOOR GLASS
*2
BACK DOOR GLASS SPACER
*3
BACK WINDOW LOWER MOULDING
*4
BACK WINDOW OUTSIDE ...
Toyota CH-R Service Manual > Can Communication System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
PRECAUTIONS WHEN TROUBLESHOOTING
NOTICE:
Because the order of diagnosis is important to allow correct diagnosis,
make sure to begin troubleshooting using How to Proceed with Troubleshooting
when CAN communication system related DTCs are output.
If the C ...