Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Brake Warning System Check performed? | -- | Go to Step 2 | |
2 | Disconnect the P/B booster fluid flow and pressure alarm delay module connector. Does the alarm stop? | -- | Go to Step 3 | Go to Step 9 |
3 |
Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 | Repair the short to ground in the PNK (849) wire between the P/B booster fluid flow and pressure alarm delay module connector cavity C and the P/B booster fluid pressure alarm switch connector cavity A. Does the alarm stop? | -- | Go to Step 2 | |
5 | Connect an unpowered test lamp between the P/B booster fluid pressure alarm switch connector cavity B for the DK GRN (860) wire and B+. Does the test lamp light? | -- | Go to Step 6 | Go to Step 8 |
6 | Disconnect the connector from the P/B booster fluid flow alarm switch. Does the test lamp connected in Step 4 still light? | -- | Go to Step 7 | Go to Step 13 |
7 | Repair short to ground in the DK GRN (860) wire between the P/B booster fluid pressure alarm switch connector cavity B and the P/B booster fluid flow alarm switch connector cavity A. Does the alarm stop? | -- | Go to Step 2 | |
8 | Replace the P/B booster fluid pressure alarm switch. Does the alarm stop? | -- | Go to Step 2 | |
9 |
Does the test lamp light? | -- | Go to Step 10 | Go to Step 11 |
10 | Repair short to ground in the BLK/YEL (1471) wire or the TAN/WHT (33) wire between the P/B booster fluid flow alarm connector cavity A and the Daytime Running Lamp module connector cavity A. Does the alarm stop? | -- | Go to Step 2 | |
11 | Replace P/B booster fluid flow and pressure alarm delay module. Does the alarm stop? | -- | Go to Step 12 | |
12 | Diagnose the DRL system. Refer to Daytime Running Lights (DRL) System Check in Lighting Systems. Does the alarm stop? | -- | -- | |
13 | Replacd the P/B booster fluid flow and pressure alarm delay switch. Does the alarm stop? | -- | Go to Step 2 |
