Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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7A1–46 TRANSMISSION CONTROL SYSTEM (4L30–E) DTC P0722 Automatic Transmission Output Speed Sensor (OSS) Low Input Step Action Yes No 1 Were you sent here from the “Powertrain On–Board Diagnostic Go to Step 2 Go to OBD System Check Refer to Driveability and Emissions in Engine section 2 1. Install the scan tool. NOTE: Before clearing DTC(s), use the scan tool to record “Freeze 3. Record the DTC “Freeze Frame” and “Failure Records”. With the drive wheels rotating, does the “Trans Output Speed” Go to Diagnostic Go to Step 3 3 Check for the most current and/or incorrect calibration. Is the calibration current? Go to Step 16 Go to Step 4 4 1. Turn the ignition “off”. harness connector terminals E35–22 and E35–55. Is the reading 3000 ohms? Go to Step 5 Go to Step 6 5 1. Select AC volts. Is the voltage greater than 0.5 volts? Go to Step 7 Go to Step 8 6 Inspect circuits BLU/YEL and BLU/GRN for a poor connection or Was a problem found? Go to Step 17 Go to Step 8 7 1. Reconnect the E35 (RED) PCM connector. harness connector terminals E44–1 and E44–2. Is the reading between 4.0 to 5.1 volts? Go to Step 16 Go to Step 10 8 1. Remove the OSS. misalignment. Refer to Speed Sensor (Extension Assembly) in Automatic Transmission (4L30–E) section. Was a problem found? Go to Step 17 Go to Step 9 9 Replace the OSS. Is the replacement complete? Go to Step 17 — 10 Was the reading in step 7 less than 4.0 volts? Go to Step 12 Go to Step 11 11 Was the reading in Step 7 greater than 5.1 volts? Go to Step 15 — 12 Using the J 39200 DVOM to chassis ground, measure the voltage Is the reading between 4.0 to 5.1 volts? Go to Step 13 Go to Step 14 |