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Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1180
BRAKE CONTROL SYSTEM
5A–49
Chart B-20 FL Speed Sensor Missing Signal (DTC 61 (Flash out) / C0226, C0227 (Serial
communications))
NOTE: Even after repairing the faulty part the warning
light (W/L) does not go out if the vehicle is at a stop.
Turn the ignition switch to the ON position and drive the
vehicle at 12 km/h (8 mph) or higher to make sure that
the warning light goes out.
Step
Action
Yes
No
1
1. Turn the key off.
2. Disconnect coil integrated module connector.
3. Measure the FL speed sensor resistance between coil
integrated module connector (C-4) terminals 2 and 10.
Is the resistance between 2.0k and 2.8k ohms? (2WD model)
Is the resistance between 0.7k and 1.5k ohms? (4WD model)
Go to Step 2
Go to Step 3
2
Is there play sensor/sensor rotor?
Repair.
Go to Step 6
Go to Step 4
3
Measure the FL speed sensor resistance at the sensor
connector.
Is the resistance between 2.0k and 2.8k ohms? (2WD model)
Is the resistance between 0.7k and 1.5k ohms? (4WD model)
Repair harness
abnormality
between
sensors and
coil integrated
module.
Go to Step 6
Replace
sensor.
Go to Step 6
4
Damage and powdered iron sticking to sensor/sensor ring?
Repair.
Go to Step 6
Go to Step 5
5
Is sensor output normal? (Chart C-1-1 or TC-1)
Check for faults
in harness
between speed
sensor and coil
integrated
module.
Fault found:
repair, and
perform system
self-check.
No fault found:
replace EHCU.
Go to Step 6
Replace
sensor.
Go to Step 6
6
1. Reconnect all components, ensure all components are
properly mounted.
2. Clear diagnostic trouble code.
Was this step finished?
Repeat the “Basic
diagnostic flow
chart”
Go to Step 6