Chart B-19 Rear Speed Sensor Open Or Shorted (Dtc 53 (Flash Out) / C0235 (Serial Communications)) - Isuzu 1999 RODEO Workshop Manual

BRAKE CONTROL SYSTEM
5A–48
Chart B-19 Rear Speed Sensor Open or Shorted (DTC 53 (Flash out) / C0235 (Serial
communications))
Step
1 1. Turn the key off.
2. Disconnect coil integrated module connector.
3. Measure the resistance between coil integrated module
connector (C-4) terminals 4 and 12.
Is the resistance between 1.2k and 2.0k ohms?
2 Measure the Rear speed sensor resistance at the sensor
connector.
Is the resistance between 1.2k and 2.0k ohms?
3 1. Reconnect all components, ensure all components are
properly mounted.
2. Clear diagnostic trouble code.
Was this step finished?
Action
Yes
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 3 Go to Step 2
Repair harness
abnormality
between sensors
and coil
integrated
Replace sensor.
module.
Go to Step 3
Go to Step 3
Repeat the "Basic
diagnostic flow
chart" Go to Step 3
No