Chart A-5, Ta-5 Braking Sound - Isuzu 1999 RODEO Workshop Manual

BRAKE CONTROL SYSTEM
5A–34
Chart A-5, TA-5 Braking Sound (From EHCU) Is Heard While Not Braking
Step
1 Is this the first vehicle start after engine start?
2 Is vehicle speed under 10 km/h (6 mph)?
3 Check for the following condition:
f At the time of shift down or clutch operation.
f At the time of low road friction drive (ice or snow road) or rough
road drive.
f At the time of high-speed turn.
f At the time of passing curb.
f At the time of operating electrical equipment switches.
f At the time of racing the engine (over 5000 rpm).
Did it occur under any one condition above?
4 Is there play in each or any sensor/wheel speed sensor rings?
5 Damage or powdered iron sticking to each or any sensor/wheel
speed sensor ring?
6 Is each sensor output normal? (Refer to chart C-1 or TC-1).
7 Reconnect all components, ensure all components are properly
mounted.
Was this step finished?
Action
Yes
It is self checking
sound
Normal. Go to Step 2
It is self checking
sound
Normal. Go to Step 3
ABS may
sometime be
actuated even
when brake pedal
is not applied.
Go to Step 4
Repair.
Go to Step 5
Go to Step 7
Repair.
Go to Step 6
Go to Step 7
Check harness/
connector for
suspected
disconnection
If no
disconnection is
found, replace
Coil integrated
module.
Go to Step 7
Go to Step 7
Repeat the "Basic
diagnostic flow
chart" Go to Step 7
No
Repair.