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ZC6008760011 Connectors: C-09, C-10, C-17 C-09 C-10 C-17 ZC6008780007 Connectors: C-309, C-315, C-317 C-309 (B) C-315 C-317 DIAGNOSIS Required Special Tools: ⦆ MB991223: Harness Set ⦆ MB992006: Extra Fine Probe ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicle Communication Interface (V.C.I.) ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A STEP 1. Check audio visual navigation unit connector C-10 Q:Is audio visual navigation unit connector C-10 in good condition? YES: Go to Step 2. NO: Repair or replace the damaged component(s). Refer to GROUP 00E, Harness Connector Inspection P.00E-2. STEP 2. Check the ground circuit to the audio visual (1) Disconnect audio visual navigation unit connector C-10, and ZC5010410040 Harness side: C-10 (2) Measure the resistance between terminal 9 and ground. OK: The resistance should be 2 ohms or less Q:Is the measured resistance 2 ohms or less? YES: Go to Step 4. NO: Go to Step 3. STEP 3. Check the wiring harness between audio visual NOTE: Also check intermediate connector C-17 for loose, corroded, or damaged terminals, or terminals pushed back in AUDIO AND NAVIGATION SYSTEM 54B-77 DIAGNOSIS |