ind inop-buick
Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the entire Brake Warning System Check performed?
| --
|
Go to step 2
| Go to
Brake Warning System Check
|
2
| Did the BRAKE indicator illuminate
briefly during the bulb check (when the ignition switch transitions from
RUN to START)?
| --
|
Go to step 9
|
Go to step 3
|
3
|
- Disconnect C202.
- Connect a test lamp between the C202 terminal B3 (body harness
side) and ground.
- Ignition switch in RUN.
Is the test lamp lit?
| --
|
Go to step 4
|
Go to step
5
|
4
| Repair open in the steering column
harness, circuit 33 (TAN/WHT) or the ignition switch.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
5
|
- Ignition switch in OFF.
- Disconnect the instrument cluster (Buick w/ UB3 remote indicator
bank) connectors.
- Connect a fused jumper between the;
| • | (Buick w/ UB3) remote indicator bank harness connector terminals
17 and 18. |
| • | (Buick w/ U23) instrument cluster harness connector terminals
B1 and A2. |
| • | (Oldsmobile) instrument cluster harness connector C1 terminal
D9 and connector C1 terminal C13. |
| • | (Pontiac w/ UB3) instrument cluster harness connector terminals
B2 and A5. |
| • | (Pontiac w/ U50/U2F) instrument cluster harness connector C1 terminals
A7 and A10. |
- Ignition switch in RUN.
Is the test lamp lit?
| --
|
Go to step 8
|
Go to step
6
|
6
| Connect the fused jumper between
the;
- (Buick w/ UB3) remote indicator bank harness connector terminals
18 and battery positive voltage.
- (Buick w/ U23) instrument cluster harness connector terminals
A2 and battery positive voltage.
- (Oldsmobile) instrument cluster harness connector C1 terminal
C13 and battery positive voltage.
- (Pontiac w/ UB3) instrument cluster harness connector terminals
A5 and B+.
- (Pontiac w/ U50/U2F) instrument cluster harness connector C1 terminals
A10 and battery positive voltage.
Is the test lamp lit?
| --
|
Go to step 7
|
Go to step
11
|
7
| Repair open in circuit
439 (PNK).
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
8
| Check the instrument cluster (Buick W/ UB3 remote indicator bank) BRAKE
indicator and circuit for an open.
| • | If the instrument cluster (Buick W/ UB3 remote indicator bank)
BRAKE indicator is open, replace the indicator. |
| • | If the instrument cluster (Buick W/ UB3 remote indicator bank)
BRAKE indicator circuit is open, replace the instrument cluster (Buick W/
UB3 remote indicator bank). |
Is repair complete?
| --
| Go to
Brake Warning System Check
| --
|
9
|
- Disconnect the park brake switch.
- Connect a test lamp between the the park brake switch harness
connector terminal A and ground.
- Ignition switch in RUN.
Is the test lamp lit?
| --
|
Go to step 10
|
Go to step 11
|
10
| Replace
the park brake switch.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
11
| Repair open in circuit 33 (TAN/WHT).
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
