Step | Action | Values | Yes | No |
---|---|---|---|---|
1 | Test fuses F3 and F14. Is either fuse open? | -- | Go to Step 2 | Go to Step 3 |
2 |
Is the repair complete? | -- | System OK | -- |
3 |
Does the battery voltage available at both fuses F3 and F14 equal the specified value? | 11-14 V | Go to Step 4 | Go to Step 7 |
4 |
Does the battery voltage pulsing at the turn signal hazard lamp socket positive terminal equal the specified value? | 11-14 V | Go to Step 5 | Go to Step 9 |
5 | At each bulb socket, use an ohmmeter to test the ground circuit. Does the ohmmeter indicate continuity? | -- | Go to Step 6 | Go to Step 8 |
6 | Replace any faulty turn signal/hazard bulbs. Is the repair complete? | -- | System OK | -- |
7 | Repair the power supply circuit to fuses. Is the repair complete? | -- | System OK | -- |
8 | Repair the open ground wires. Is the repair complete? | -- | System OK | -- |
9 |
Does the battery voltage pulsing at the blinker unit terminal 49a equal the specified value? | 11-14 V | Go to Step 16 | Go to Step 10 |
10 |
Does the battery voltage available at the blinker unit terminal 49 equal the specified value? | 11-14 V | Go to Step 11 | Go to Step 14 |
11 |
Does the ohmmeter indicate continuity? | -- | Go to Step 13 | Go to Step 12 |
12 | Repair the blinker unit ground connection. Is the repair complete? | -- | System OK | -- |
13 | Replace the faulty blinker unit. Is the repair complete? | -- | System OK | -- |
14 |
Does the battery voltage available at both terminals equal the specified value? | 11-14 V | Go to Step 15 | Go to Step 19 |
15 |
Does the ohmmeter indicate continuity in both tests? | -- | Go to Step 18 | Go to Step 17 |
16 |
Does the ohmmeter indicate continuity between terminals 5, 6, and 9? | -- | Go to Step 19 | Go to Step 17 |
17 | Replace the faulty hazard lamp switch. Is the repair complete? | -- | System OK | -- |
18 | Repair the open circuit between the hazard lamp switch terminal 7 and the blinker unit terminal 49. Is the repair complete? | -- | System OK | -- |
19 | Repair the open circuit between the hazard lamp switch and the fuses F3 or F14. Is the repair complete? | -- | System OK | -- |