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Pinpoint Test 7: DTC B1408 or DTC B1410 - Driver Power Window Switch Circuit Short to Battery or Driver Power Window Motor Circ

PINPOINT TEST 7: DTC B1408 OR DTC B1410 - DRIVER POWER WINDOW SWITCH CIRCUIT SHORT TO BATTERY OR DRIVER POWER WINDOW MOTOR CIRCUIT FAILURE

Step 1:




Step 2-Step 4:




Normal Operation
Under normal operation, when the driver window control switch is commanding the driver window down, voltage is sent to the one-touch down (OTD) relay through circuit (Y/V). In the de-energized state, voltage is sent from the OTD relay to the driver window motor through circuit (BR/L). Ground for the driver window motor is provided by the driver window control switch through circuit (L/GY). When up is commanded, voltage and ground from the driver window control switch is reversed.

Possible Causes
- A short to voltage in circuit (Y/V) or (L/GY)
- A short to ground in circuit (BR/L) or (L/GY)
- Smart junction box (SJB)