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:
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 |
REPLACE COMBINATION METER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Occupant Classification System: Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
detection ECU and front in weight detection sensor sub-assembly.
DTC B1780 is stored when a malfunction is detected in the front in weight detection
sensor sub-assembly circuit.
DTC No.
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Toyota CH-R Service Manual > Lighting (ext): Headlight Bulb
Components
COMPONENTS
ILLUSTRATION
*1
NO. 1 HEADLIGHT BULB
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