Isuzu 1999 RODEO Workshop Manual page 1933

7A1–54 TRANSMISSION CONTROL SYSTEM (4L30–E)
DTC P0723 Transmission Output Speed Sensor (OSS) Intermittent (Cont'd)
Step
14 Repair the open in circuit BRN.
Is the repair complete?
15 Check circuit YEL for a short to ground or open.
Was a problem found and corrected?
16 Repair the short to B+ in circuit YEL.
Is the repair complete?
17 Replace the PCM. Refer to Powertrain Control Module (PCM) in
Automatic Transmission (4L30–E) section.
Is the replacement complete?
18 1. After the repair is complete, use the scan tool to select "DTC",
then "Clear Info" function and operate the vehicle under the
following conditions:
Transmission output speed is greater than 101 rpm for 3
seconds.
2. Review the scan tool "DTC Info".
Has the last test failed or is the current DTC displayed?
Action Yes
Go to Step 18
Go to Step 18 Go to Step 17
Go to Step 18
Go to Step 18
Begin diagnosis
again
Repair verified
Go to Step 1
Exit DTC table
No
—
—
—