For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Check the fuse F19. Is the fuse open? | -- | Go to Step 2 | Go to Step 3
2 | Repair any short circuit and replace the open fuses. Did you complete the repair? | -- | System OK | --
3 |

1. Remove the controller.
2. Turn ON the ignition.
3. Measure the voltage between terminal B2 and B3 of the connectors.

Does the voltage measure within the specified value?

11-14 V

Go to Step 4

Go to Step 5

4 |

1. Inspect the connector and controller for damages.
2. Repair the damaged parts or replace the controller.

Did you complete the repair?

--

System OK

--

5 | Measure the voltage between terminal B13 of the connector and ground. Does the resistance measure equal to the specified value? | 0 V | Go to Step 6 | Go to Step 7
6 |

1. Inspect the wiring harness between fuse F19 and the terminal B2 for damage.
2. Replace the wiring harness if it is damaged.

Did you complete the repair?

--

System OK

--

7 |

1. Inspect the wiring harness between terminal B3 and ground G203 for damage.
2. Repair the wiring harness, or ground connection as required.

Did you complete the repair?

--

System OK

--