Toyota CH-R Service Manual: Washer Fluid Level Warning Switch Circuit

Toyota CH-R Service Manual / Meter / Gauge / Display / Meter / Gauge System / Washer Fluid Level Warning Switch Circuit

DESCRIPTION

The combination meter assembly and level warning switch assembly are connected via direct line. The combination meter assembly determines the washer fluid level and outputs warning messages according to the washer fluid level warning switch ON/OFF signal.

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.

PROCEDURE

1.

INSPECT LEVEL WARNING SWITCH ASSEMBLY

(a) Remove the level warning switch assembly.

Click here

(b) Inspect the level warning switch assembly.

Click here

NG

REPLACE LEVEL WARNING SWITCH ASSEMBLY

OK

2.

CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)

(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

A26-1 (S) - F4-17 (WLVL)

Always

Below 1 Ω

A26-1 (S) or F4-17 (WLVL) - Body ground

Always

10 kΩ or higher

A26-2 (E) - Body ground

Always

Below 1 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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