Step | Action | Value(s) | Yes | No | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 |
Does the AUTO PARK indicator lamp light and stay on? | -- | ||||||||||||||||||||
2 |
Is Fuse 34 blown? | -- | ||||||||||||||||||||
3 | Repair the open in Circuit 639 (PNK) between AUTO PARK Fuse 34 and splice S111. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
4 |
Does the AUTO PARK indicator lamp light and stay on? | -- | ||||||||||||||||||||
5 |
Is Fuse 34 blown? | -- | ||||||||||||||||||||
6 |
Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
7 | Move the TR selector to Neutral (N). Does the AUTO PARK lamp go out after a few seconds? | -- | ||||||||||||||||||||
8 | Find and repair the mechanical problem in the park brake auto apply system. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
9 |
Could the assistant hear the pump run? | -- | ||||||||||||||||||||
10 |
Is there a problem with the hydraulic system? | -- | ||||||||||||||||||||
11 | Repair the hydraulic system or replenish the reservoir as required. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
12 |
Does the test light illuminate? | -- | ||||||||||||||||||||
13 | Repair the open in Circuit 1131 between splice S304 and the solenoid connector. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
14 | Test for continuity between the harness solenoid connector terminal B (BLK) to ground. Is the continuity good? | -- | ||||||||||||||||||||
15 | Replace the pressure valve solenoid. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
16 | Repair the open in circuit 150 (BLK) between solenoid connector terminal B and splice S305. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
17 |
Is this fuse blown? | -- | ||||||||||||||||||||
18 |
Has this fuse blown? | -- | ||||||||||||||||||||
19 | Repair the short to ground in Circuit 742 (RED) between MaxiFuse 54 and terminal 30 of the Park Brake Pump Motor Relay. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
20 |
Did the pump operate? | -- | ||||||||||||||||||||
21 | Check the park brake relase operation. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
22 | Use a test lamp to check for voltage at terminal 30 (RED) on the Park Brake Pump Motor Relay. Does the test light illuminate? | -- | ||||||||||||||||||||
23 | Repair the open in circuit 742 (RED) between AUTO PARK MaxiFuse 54 and Terminal 30 of the Park Brake Pump Motor Relay. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
24 |
Does the test light illuminate? | -- | ||||||||||||||||||||
25 |
| -- | ||||||||||||||||||||
26 | Repair the open in Circuit 1470 (ORN) between relay socket terminal 87 and Park Brake Pump Motor connector terminal A. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
27 |
Is the continuity good? | -- | ||||||||||||||||||||
28 | Replace the pump motor. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
29 | Repair the open between connector terminal B (BLK) and ground G300. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
30 | Probe the relay socket terminal 86 (PNK/BLK) with a test lamp. Does the test light illuminate? | -- | ||||||||||||||||||||
31 |
Is there continuity? | -- | ||||||||||||||||||||
32 | Replace the Park Brake Pump Motor Relay. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
33 | Repair the open in circuit 150. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
34 |
Does the test light illuminate? | -- | ||||||||||||||||||||
35 | Repair the open in Circuit 1929 (PNK/BLK) between the pump motor switch connector terminal B and the pump motor relay connector terminal 86, or replace the pump motor switch as required. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
36 |
Does the test light illuminate? | -- | ||||||||||||||||||||
37 | Repair the open between C111, terminal E, and the Park Brake Pump Motor Switch connector terminal A. Is the repair complete? | -- | System OK | -- | ||||||||||||||||||
38 |
Is the repair complete? | -- | System OK | -- |