Toyota CH-R Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

(a) Check that the LED illuminates.

(1) Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 3 (ILL+)

Battery negative (-) → 13 (ILL-)

LED illuminates

If the result is not as specified, replace the multiplex network master switch assembly.

*a

Component without harness connected

(Multiplex Network Master Switch Assembly)

*b

LED Illumination

2. INSPECT DOOR CONTROL SWITCH ASSEMBLY

(a) Check the operation of the door control switch assembly.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (L) - 5 (E)

Lock switch pushed

Below 1 Ω

4 (L) - 5 (E)

Lock switch not pushed

10 kΩ or higher

2 (UL) - 5 (E)

Unlock switch pushed

Below 1 Ω

2 (UL) - 5 (E)

Unlock switch not pushed

10 kΩ or higher

If the result is not as specified, replace the door control switch assembly.

*a

Component without harness connected

(Door Control Switch Assembly)

(b) Check that the LED illuminates.

(1) Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → 3 (ILL+)

Battery negative (-) → 1 (ILL-)

LED illuminates

If the result is not as specified, replace the door control switch assembly.

*a

Component without harness connected

(Door Control Switch Assembly)

*b

LED Illumination

    Components
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