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DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: V.C.I. ⦆ MB991827: USB Cable ⦆ MB991910: Main Harness A STEP 1. Check harness connector B-16 at engine oil Q:Is the harness connector in good condition? YES: Go to Step 2. NO: Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection P.00E-2. Then go to Step 7. STEP 2. Measure the power supply voltage at engine oil (1) Disconnect the connector B-16 measure at the harness side. (2) Turn the ignition switch to the "ON" position. 1 ZK603873 B-16 harness AA00 (3) Measure the voltage between terminal No. 1 and ground. ⦆ The voltage should equal battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is battery positive voltage (approximately 12 volts) present? YES: Go to Step 5. NO: Go to Step 3. STEP 3. Check for open circuit or short circuit to ground or (1) Disconnect the connector B-16 and B-10 measure at the MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS> 13Ab-835 SYMPTOM PROCEDURES |