NO.32 DOES NOT SHIFT DOWN IN M RANGE (SPORT AT) [FN4A-EL]


id0503a12239a5

32

Does no shift down in M range (Sport AT)

DESCRIPTION

• Gear position indicator light in dashboard illuminates, but vehicle does not upshift when selector lever is pushed lever to "-" side.

POSSIBLE CAUSE

• Down switch or related harness malfunction.
Note
• Before following troubleshooting steps, make sure that Automatic Transaxle On-board Diagnostic and Automatic Transaxle Basic Inspection are conducted.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
Inspect the DWN SW PID value using the WDS or equivalent.
Is the DWN SW PID value normal?
Yes
Inspect the instrument cluster.
No
Inspect the down switch.
If the down switch is normal, inspect for continuity between the down switch and PCM terminal 1J.
2
• Verify the test results.
- If normal, return to the diagnostic index to service any additional symptoms.
- If the malfunction remains, inspect the related Service information and perform repair or diagnosis.
• If the vehicle is repaired, troubleshooting is completed.
• If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.