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 > Wireless Door Lock Control System(w/o Smart Key System): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The wireless door lock control system troubleshooting procedures are
based on the premise that the power door lock control system is operating
properly. Check the power door lock control system first before troubleshooting
the wireless door lock co ...
Toyota CH-R Service Manual > Brake Actuator: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...
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