Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The brake warning alarm continually sounds. | ||||
1 | Did you review the brake warning alarm system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify the brake warning alarm is sounding. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Disconnect the P/B booster fluid flow and pressure alarm delay module. Does the alarm stop? | -- | Go to Step 4 | Go to Step 9 |
4 | Check for low P/B booster fluid pressure or flow. Refer to Power Steering System Test in Power Steering System. Does a low fluid pressure or flow condition exist? | -- | Go to Step 10 | Go to Step 5 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 14 |
6 |
Is continuity present? | -- | Go to Step 11 | Go to Step 7 |
7 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 15 |
8 |
Is continuity present? | -- | Go to Step 12 | Go to Step 16 |
9 |
Does the test lamp light? | -- | Go to Step 13 | Go to Step 17 |
10 | Repair low P/B booster fluid pressure or flow. Refer to Power Steering System Test in Power Steering System for diagnostic and repair information. Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
11 | Repair the short to ground in CKT 849 (PNK) between the P/B booster fluid flow and pressure alarm delay module and the P/B booster fluid pressure alarm switch. Refer to Wiring Repairs in Wiring Systems. Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
12 | Repair the short to ground in CKT 860 (DK GRN) between the P/B booster fluid pressure alarm switch and the P/B booster fluid flow alarm switch. Refer to Wiring Repairs in Wiring Systems. Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
13 | Repair short to ground in CKT 1471 (YEL/BLK) between the P/B booster fluid flow alarm and connector C217. Refer to Wiring Repairs in Wiring Systems. Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
14 | Replace the P/B booster fluid flow and pressure alarm delay module. Refer to Alarm Module Replacement . Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
15 | Replace the P/B booster fluid pressure alarm switch. Refer to Alarm Switch Replacement . Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
16 | Replace the P/B booster fluid flow alarm switch. Refer to Fluid Flow Switch Replacement . Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
17 | Replace the P/B booster fluid flow alarm. Does the alarm stop? | -- | Go to Step 18 | Go to Step 3 |
18 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
