Toyota CH-R Service Manual: High Beam Headlight Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the high beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuse for circuits related to this system before performing the following procedure.
- Check the operation of the low beam headlights. If the low beam headlights
do not operate normally, refer to Problem Symptoms Table.
Click here
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- Before replacing the main body ECU (multiplex network body ECU), refer
to Registration.*1
Click here
- *1: w/ Smart Key System
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 | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
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|
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.
Click here
| 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 |
Low Beam Headlight Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the low beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and bulbs for circuits rela ...
Other materials:
Toyota CH-R Service Manual > 3zr-fae Battery: Components
COMPONENTS
ILLUSTRATION
*1
BATTERY
*2
NO. 2 BATTERY CLAMP
*3
POSITIVE BATTERY TERMINAL
*4
NEGATIVE BATTERY TERMINAL
*5
FUSIBLE LINK COVER
*6
BATTERY INS ...
Toyota CH-R Service Manual > Steering Lock System: Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
The steering lock ECU and steering lock motor are built into the steering lock
actuator or upper bracket assembly.
The steering lock ECU (steering lock actuator or upper bracket assembly) detects
whether the steering lock is in the lock or unlock position by using the lock sensor
...
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KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual
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