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Home >> Isuzu >> 1988 >> Trooper II Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - Aw30-80LE >> Testing >> Manual Shifting Test
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Manual Shifting Test

  1. Perform this test to determine if problem is an electrical or mechanical (hydraulic) malfunction. With engine off, disconnect ECU connector.
  2. Road test car and ensure gear selector position and transmission gear positions correspond. See TRANSMISSION SHIFT & GEAR POSITION  .
  3. If transmission fails above test, DO NOT  perform stall, time lag or gear change tests. Transmission has an internal fault. Install ECU connector.
TRANSMISSION SHIFT & GEAR POSITION

Gear Selector Position Transmission Gear
Transmission
"D" OD
"2" 3rd
"L" 1st
"R" Reverse
"P" Pawl Lock
Transfer Case
"H2" High Gear 2WD
"H4" High Gear 4WD
"L4" Low Gear 4WD