Toyota CH-R Service Manual: Steering Pad Switch Circuit

Toyota CH-R Service Manual / Meter / Gauge / Display / Meter / Gauge System / Steering Pad Switch Circuit

DESCRIPTION

The combination meter assembly and steering pad switch assembly are connected via direct line. The main display and multi-information display in the combination meter assembly are operated using the switches of the steering pad switch assembly.

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 STEERING PAD SWITCH ASSEMBLY

(a) Remove the steering pad switch assembly.

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(b) Inspect the steering pad switch assembly.

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REPLACE STEERING PAD SWITCH ASSEMBLY

2.	INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(a) Remove the spiral cable with sensor sub-assembly.

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(b) Inspect the spiral cable with sensor sub-assembly.

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REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

3.	CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)

(a) Disconnect the F4 combination meter assembly connector.

(b) Disconnect the F29 spiral cable with sensor sub-assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
F4-28 (MSM+) - F29-10 (+DP)	Always	Below 1 Ω
F4-33 (MSSL) - F29-11 (+DP2)	Always	Below 1 Ω
F29-3 (EAU) - Body ground	Always	Below 1 Ω
F4-28 (MSM+) - Body ground	Always	10 kΩ or higher
F4-33 (MSSL) - Body ground	Always	10 kΩ or higher

REPLACE COMBINATION METER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

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