Blower Motor High Speed Inoperative. Opel Sintra 1999

For 1990-2009 cars

## Blower Motor High Speed Inoperative Front

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the entire HVAC system check performed? | -- | Go to Step 2 | Go to HVAC System Check

2

1. Disconnect the blower motor resistor.
2. Connect a test light between the blower motor resistor connector terminal G and ground.

Is the test light on?

--

Go to Step 3

Go to Step 4

3

1. Turn the ignition switch to the RUN position.
2. Turn the heater-A/C control to position 5.
3. Connect a test light between the blower motor resistor terminal F and ground.

Is the test light on?

--

Go to Step 5

Go to Step 6

4 | Check for a short to ground in CKT 40. Is a short to ground present? | -- | Go to Step 10 | Go to Step 11
5 | Replace the blower motor resistor. Refer to Blower Motor Resistor Replacement . Is the repair complete? | -- | Go to Step 9 | --
6 | Connect the test light between the heater-A/C control connector C1 terminal C and ground. Is the test light on? | -- | Go to Step 7 | Go to Step 8
7 | Repair the poor connection or open in CKT 52. Is the repair complete? | -- | Go to Step 9 | --
8 | Replace the heater-A/C control. Refer to Control Assembly Replacement . Is the repair complete? | -- | Go to Step 9 | --

9

1. Turn the ignition switch to the OFF position.
2. Reconnect all connectors/components removed.

Have all the repairs been made?

--

Go to HVAC System Check

--

10 | Repair the short to ground in CKT 40. Is the repair complete? | -- | Go to Step 9 | --
11 | Repair the poor connection or open in CKT 40. Is the repair complete? | -- | Go to Step 9 | --