Toyota Corolla Cross: 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:
- 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.
- Inspect the fuses of circuits related to this system before performing the following procedure.
- When replacing the combination meter assembly, update the ECU security key.
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PROCEDURE
|
1. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|
I4-1 (EP) - Body ground |
Always | Below 1 Ω |
|
I4-2 (ES) - 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 | |
I4-6 (IG+) - Body ground |
Ignition switch off |
Below 1 V | |
Ignition switch ON*1 |
11 to 14 V | |
Ignition switch ON*2 |
10.5 to 16 V | |
I4-5 (B) - Body ground |
Ignition switch off |
11 to 14 V |
- *1: for HEV Model
- *2: for Gasoline Model
|
 |
|
*a | Front view of wire harness connector
(to Combination Meter Assembly) | | |
| OK |
.gif) | REPLACE COMBINATION METER ASSEMBLY |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
be needed. Refer to Precaution for Safety Connect System.
Click here
Inspect the fuses f
