Toyota CH-R Service Manual: Entire Combination Meter does not Operate
DESCRIPTION
This circuit is the power source circuit for the combination meter assembly. This circuit provides two types of power sources; one is a constant power source, and the other is an IG power source.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses of circuits related to this system before performing the following procedure.
- 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.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY CIRCUIT) |
(a) Disconnect the F4 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F4-21 (ET) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
F4-39 (IG+) - Body ground |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|
|
F4-40 (B) - Body ground |
Always |
11 to 14 V |
| OK | .gif) |
REPLACE COMBINATION METER ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lost Communication with ECM / PCM "A" (U0100,U0129,U0131,U0142,U0151,U0182,U0235,U023A)
DESCRIPTION
The combination meter assembly communicates with the ECM, brake actuator assembly
(skid control ECU), power steering ECU assembly, main body ECU (multiplex network
body ECU), airbag s ...
Speedometer Malfunction
DESCRIPTION
The combination meter assembly receives vehicle speed signals from the skid control
ECU (brake actuator assembly) via CAN communication. The speed sensor detects the
wheel speed and s ...
Other materials:
Toyota CH-R Service Manual > Instrument Panel Safety Pad: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 INSTRUMENT PANEL CUSHION
(a) Install a new instrument panel cushion as shown in the illustration.
Standard Measurement:
Area
Measurement
A
3.0 mm (0.118 in.)
...
Toyota CH-R Service Manual > Tire Pressure Warning System: System Description
SYSTEM DESCRIPTION
DESCRIPTION OF SYSTEM
(a) The tire pressure warning system warns the driver when the tire pressure
has decreased in order to decrease CO2 emissions and enhance safety.
(b) The tire pressure warning system illuminates the tire pressure warning light
to warn the driver when t ...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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