| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM000001DSQ004X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: AIR CONDITIONING: POWER TRANSISTOR (for Rear Heater): INSPECTION; 2007 MY LX470 [08/2006 - ] | ||
INSPECTION
1. INSPECT POWER TRANSISTOR
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(a) Connect the positive (+) lead to terminal 1 through a 12 V - 3.4 W test bulb and negative (-) lead to terminal 2. |
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(b) Check that the test bulb comes on when another positive (+) lead is connected to terminal 4 through a 12 V - 3.4 W test bulb. If the operation is not as specified, replace the power transistor.
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(c) Measure the resistance between terminals 3 and 4. Standard resistance: 2.0 to 2.4 kΩ If the resistance is not as specified, replace the power transistor. |
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