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TROUBLESHOOTING HINTS (THE MOST LIKELY ⦆ Malfunction of the lock-up and low-reverse brake ⦆ Damaged harness or connector ⦆ Malfunction of the TCM ⦆ Malfunction of the lock-up and low-reverse brake
DIAGNOSIS STEP 1. Check the TCM terminal voltage. ⦆ Lock-up released: 0 V ⦆ Lock-up engaged: 300 Hz Q:Is the check result normal? YES: Go to Step 5. NO: Go to Step 2. STEP 2. Check between the TCM connector and A/T control ⦆ Between C-37 terminal No. 52 and B-111 terminal No. 4: When the continuity check result is OK, check that the wiring Q:Is the check result normal? YES: Go to Step 3. NO: Repair or replace the failure section. STEP 3. Check the lock-up and low-reverse brake linear Q:Is the check result normal? YES: Go to Step 6. NO: Go to Step 4. STEP 4. Check between the A/T control solenoid valve ⦆ Between C-111 terminal No. 4 and the lock-up and low- Q:Is the check result satisfactory? YES: Replace the valve body assembly. NO: Repair or replace the failure section. AUTOMATIC TRANSAXLE MECHANICAL 23A-67 AUTOMATIC TRANSAXLE DIAGNOSIS |