Brake Warning Alarm Inoperative Domestic and Export DRL
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The brake warning alarm does not sound. | ||||
1 | Did you review the brake warning system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify the brake warning alarm does not sound. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 |
Does the alarm sound? | -- | Go to Step 10 | Go to Step 22 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 16 |
6 |
Is the specified resistance measured? | 1.5 Kohms ±10% | Go to Step 9 | Go to Step 7 |
7 | Is the resistance much greater than the specified value? | 1.5 Kohms ±10% | Go to Step 18 | Go to Step 8 |
8 | Is the resistance much less than the specified value? | 1.5 Kohms ±10% | Go to Step 23 | -- |
9 | Replace the P/B booster fluid flow alarm. Is the alarm still inoperative? | -- | Go to Step 17 | Go to Step 27 |
10 |
Is continuity present? | -- | Go to Step 11 | Go to Step 12 |
11 | Check for and repair low P/B booster fluid pressure or flow. Refer to Power Steering System Test in Steering. Is the alarm still inoperative? | -- | Go to Step 24 | Go to Step 27 |
12 |
Is continuity present? | -- | Go to Step 13 | Go to Step 19 |
13 |
Is continuity present? | -- | Go to Step 14 | Go to Step 25 |
14 |
Is continuity present? | -- | Go to Step 15 | Go to Step 20 |
15 | Connect a J 35616-200 unpowered test lamp between the P/B booster fluid flow alarm switch ground stud for CKT 150 (BLK) and B+. Does the test lamp light? | -- | Go to Step 26 | Go to Step 21 |
16 | Repair the open in CKT 441 (BRN) between the IP fuse block and connector C217. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
17 | Repair connector terminals at the P/B booster fluid flow and alarm delay module connector or at connector C217. Refer to Connector Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
18 | Repair the open in CKT 441 (BRN) between connector C217 and the P/B booster fluid flow alarm or in CKT 1471 (BLK/YEL) between the P/B booster fluid flow and pressure alarm delay module and the P/B booster fluid flow alarm. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 27 | Go to Step 23 |
19 | Repair the open 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. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
20 | Repair the open 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. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
21 | Repair the open in CKT 150 (BLK) between the P/B booster fluid flow alarm switch and ground G112. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
22 | Replace the P/B booster fluid flow alarm. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
23 | Replace inline resistor R208. Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
24 | Replace the P/B booster fluid flow and pressure alarm delay module. Refer to Alarm Module Replacement . Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
25 | Replace the P/B booster fluid pressure alarm switch. Refer to Alarm Switch Replacement . Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
26 | Replace the P/B booster fluid flow alarm switch. Refer to Fluid Flow Switch Replacement . Is the repair complete? | -- | Go to Step 27 | Go to Step 3 |
27 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
Brake Warning Alarm Inoperative Export Non-DRL
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The brake warning alarm does not sound. | ||||
1 | Did you review the brake warning system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify the brake warning alarm does not sound. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 |
Does the alarm sound? | -- | Go to Step 10 | Go to Step 22 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 16 |
6 |
Is the specified resistance measured? | 1.5 Kohms ±10% | Go to Step 9 | Go to Step 7 |
7 | Is the resistance much greater than the specified value? | 1.5 Kohms ±10% | Go to Step 18 | Go to Step 8 |
8 | Is the resistance much less than the specified value? | 1.5 Kohms ±10% | Go to Step 23 | -- |
9 | Replace the P/B booster fluid flow alarm. Is the alarm still inoperative? | -- | Go to Step 17 | Go to Step 27 |
10 |
Is continuity present? | -- | Go to Step 11 | Go to Step 12 |
11 | Check for and repair low P/B booster fluid pressure or flow. Refer to Power Steering System Test in Steering. Does the alarm sound? | -- | Go to Step 27 | Go to Step 24 |
12 |
Is continuity present? | -- | Go to Step 13 | Go to Step 19 |
13 |
Is continuity present? | -- | Go to Step 14 | Go to Step 25 |
14 |
Is continuity present? | -- | Go to Step 15 | Go to Step 20 |
15 | Connect a J 35616-200 unpowered test lamp between the P/B booster fluid flow alarm switch ground stud for CKT 150 (BLK) and B+. Refer to Circuit Testing in Wiring Systems. Does the test lamp light? | -- | Go to Step 26 | Go to Step 21 |
16 | Repair the open in CKT 441 (BRN) between the IP fuse block and connector C217. Refer to Wiring Repairs in Wiring Systems. Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
17 | Repair connector terminals at the P/B booster fluid flow and alarm delay module connector or at connector C217. Refer to Connector Repairs in Wiring Systems. Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
18 | Repair the open in CKT 441 (BRN) between connector C217 and the P/B booster fluid flow alarm or in CKT 1471 (BLK/YEL) between the P/B booster fluid flow and pressure alarm delay module and the P/B booster fluid flow alarm. Refer to Wiring Repairs in Wiring Systems. Does the alarm sound? | -- | Go to Step 27 | Go to Step 23 |
19 | Repair the open 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 sound? | -- | Go to Step 27 | Go to Step 3 |
20 | Repair the open 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 sound? | -- | Go to Step 27 | Go to Step 3 |
21 | Repair the open in CKT 150 (BLK) between the P/B booster fluid flow alarm switch and ground G112. Refer to Wiring Repairs in Wiring Systems. Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
22 | Replace the P/B booster fluid flow alarm. Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
23 | Replace inline resistor R208. Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
24 | Replace the P/B booster fluid flow and pressure alarm delay module. Refer to Alarm Module Replacement . Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
25 | Replace the P/B booster fluid pressure alarm switch. Refer to Alarm Switch Replacement . Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
26 | Replace the P/B booster fluid flow alarm switch. Refer to Fluid Flow Switch Replacement . Does the alarm sound? | -- | Go to Step 27 | Go to Step 3 |
27 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
