Chart B-24 Wheel Speed Input Abnormality (Dtc 65 (Flash Out) / C0238 (Serial Communications)) - Isuzu 1999 RODEO Workshop Manual

Chart B-24 Wheel Speed Input Abnormality (DTC 65 (Flash out) / C0238 (Serial
communications))
Step
1 Using TECH 2?
2 1. Connect TECH 2.
2. Select Snap shot manual trigger.
3. With wheel speed data displayed, run the vehicle when speed
has arrived at 30 km/h (18 mph).
4. Check speed data on each wheel (refer to the criterion given
below). * 1
Is the abnormal sensor condition found?
3 Is there play in sensor/sensor ring?
4 Is there powdered iron sticking to sensor/sensor ring?
5 Is there a broken tooth or indentation in sensor ring?
6 Is there play in wheel bearing?
7 Is the check wiring between sensor and coil integrated module
normal?
8 1. Reconnect all components, ensure all components are
properly mounted.
2. Clear diagnostic trouble code.
Was this step finished?
Sensor Signal Abnormality Criteria using TECH 2
1. While driving, the speed of one or two wheels is 25%
or more higher or lower than that of the other wheels.
2. The speed of one or two wheels is 10 km/h (6 mph) or
more higher or lower than that of the other wheels.
3. During steady driving, wheel speed changes abruptly.
*1 The vehicle must run on a level paved road.
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.
It is important to verify that the correct tires are installed
on vehicle.
Action
BRAKE CONTROL SYSTEM
Yes
Go to Step 2
should follow the
Replace.
flowchart (without
Go to Step 8
Repair.
Go to Step 8
Repair.
Go to Step 8
Replace sensor
ring.
Go to Step 8
Adjust or repair.
Go to Step 8
Replace EHCU.
Go to Step 8
Repeat 'Basic
diagnostic flow
chart"
5A–53
No
Go to Step 3
Go to Step 3
All the sensors
following
using TECH 2).
Go to Step 4
Go to Step 5
Go to Step 6
Go to Step 7
Repair, and
perform system
self-check.
Go to Step 8
Go to Step 8