Last Modified: 12-11-2024 6.11:8.1.0 Doc ID: RM100000002P84T
Model Year Start: 2025 Model: GR Corolla Prod Date Range: [09/2024 -           ]
Title: GF1A (TRANSFER / 4WD / AWD): 4WD CONTROL SWITCH: INSPECTION; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 -        ]

INSPECTION

PROCEDURE

1. INSPECT 4WD CONTROL SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY)

(a) Inspect the resistance:

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

6 (B) - 3 (E)

TRACK mode switch being pushed and held

80.36 to 83.64 Ω

TRACK mode switch not pushed

10 kΩ or higher

GRAVEL mode switch turned and held

580.16 to 603.84 Ω

GRAVEL mode switch not turned

10 kΩ or higher

NORMAL mode switch turned and held

2050.16 to 2133.84 Ω

NORMAL mode switch not turned

10 kΩ or higher

HINT:

If the result is not as specified, replace the 4WD control switch (No. 2 combination switch assembly).

*a

Component without harness connected

4WD Control Switch (No. 2 Combination Switch Assembly)

(b) Inspect the illumination:

(1) Apply battery voltage to the integration control and panel assembly (multi-terrain select switch) and check that the switch illuminates.

OK:

Condition

Specified Condition

Auxiliary battery positive (+) → 7 (ILL+)

Auxiliary battery negative (-) → 2 (ILL-)

Illuminates

HINT:

If the result is not as specified, replace the 4WD control switch (No. 2 combination switch assembly).

*a

Component without harness connected

4WD Control Switch (No. 2 Combination Switch Assembly)