Chart B-1 With The Key In The On Position (Before Starting The Engine). Warning Light (W/L) Is Not Activated - Isuzu 1999 RODEO Workshop Manual

BRAKE CONTROL SYSTEM
5A–40
The DTC 12 is displayed repeatedly. (display is
discontinued after about 5 minutes after)
Chart B-1 With the key in the ON position (Before starting the engine). Warning light (W/L)
is not activated.
Step
1 Is W/L fuse disconnected?
2 Is W/L burnt out?
3 1. Turn the key off.
2. Disconnect coil integrated module connector (C-4).
3. Turn the key ON.
Is the check voltage between coil integrated module connector
(C-4) terminals 6 and 7 than battery voltage?
4 Is the check continuity coil integrated module connector (C-4)
terminals, 1 and 7 and body ground.
5 Reconnect all components, ensure all components are properly
mounted.
Was this step finished?
Action
Yes
Replace fuse.
Go to Step 2
Go to Step 5
Replace W/L
bulb.
Go to Step 5 Go to Step 3
Repair harness
and connector.
Go to Step 4 Go to Step 5
Check harness
for suspected
disconnection
Repair harness
No fault found:
Replace EHCU. and connector.
Go to Step 5 Go to Step 5
Repeat the "Basic
diagnostic flow
chart" Go to Step 5
B05RS005
No