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B106F






B106F - Blower Motor Control Circuit Low Totally Integrated Power Module

For a complete wiring diagram, refer to.

When Monitored: With the ignition ON.

Set Condition: If the totally integrated power module detects an excessive current draw on the rear blower motor control output circuit for 20 micro seconds when rear blower motor operation is requested.






Test Step 1 - Verify DTC Is Active

Turn the rear blower control switch to OFF.

Turn the ignition OFF, wait 10 seconds, and turn the ignition ON.

With the scan tool, erase TIPM DTCs.

Turn the ignition OFF, wait 10 seconds, and turn the ignition ON.

Turn the rear blower control switch to ON.

With the scan tool, read TIPM DTCs.

Does this DTC reset?

Yes

Go to Test Step 2.

No

Test for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, corroded, and contaminated terminals.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - Test the Rear Blower Motor Control Output Circuit for a Short to Ground

Turn the ignition OFF.

Disconnect the TIPM harness connector.

Disconnect the rear blower motor module harness connector.

Measure the resistance of the rear blower motor control circuit between ground and the rear blower motor module harness connector.

Is the resistance less than 10k ohms?

Yes

Repair the rear blower motor control circuit for a short to ground.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

Replace the TIPM.

Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior