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AUTOMATIC TRANSAXLE DIAGNOSIS <A/T> TSB Revision AUTOMATIC TRANSAXLE 23C-85 TROUBLESHOOTING HINTS (THE MOST • Malfunction of the 2-6 brake linear solenoid valve system circuit • Damaged harness or connector • Malfunction of the TCM • Malfunction of the 2-6 brake linear solenoid valve (valve body assembly) DIAGNOSIS STEP 1. Check the TCM terminal voltage. • 2-6 brake engaged (2nd and 6th gear): 300 Hz • Other than above: 0 V Q: Is the check result normal? YES : Go to Step 5. STEP 2. Check between the TCM connector and A/T • Between C-38 terminal No. 3 and B-111 terminal No. 6: Continuity exists. When the continuity check result is OK, check that the wiring YES : Go to Step 3. STEP 3. Check the 2-6 brake linear solenoid. . Q: Is the check result normal? YES : Go to Step 6. STEP 4. Check between the A/T control solenoid valve • Between C-111 terminal No. 6 and the 2-6 brake linear sole- noid valve: Continuity exists. Q: Is the check result satisfactory? YES : Replace the valve body assembly. |