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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-814 . DTC SET CONDITIONS Check Conditions • Engine speed is higher than 50 r/min. Judgement Criteria • Input voltage from the generator FR terminal has continued to be approximately battery positive . TROUBLESHOOTING HINTS (The most • Generator failed. • Open or shorted circuit in generator FR terminal circuit, harness damage or connector damage. • PCM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A • MB991923: Power Plant ECU Check Harness STEP 1. Check harness connector B-23 at PCM connector YES : Go to Step 2. . Then go to Step 8. 127 126 125 124 123 122 121 133 132 131 130 129 128 140 139 138 137 136 135 134 146 145 144 143 142 141 153 152 151 150 149 148 147 AK303058 HARNESS CONNECTOR: CONNECTOR: B-23 B-23 PCM AB AIR CLEANER |