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− − − − − − S0X4AZ6A20326939902FAAT00 ’99-00, ’02-04 Models YES NO YES NO YES NO 11-166 PGM-FI System MIL Circuit Troubleshooting NOTE: Information marked with an asterisk ( ) applies 1. Connect the HDS (see page 11-3). 2. Turn the ignition switch ON (II), and read the HDS. Go to step 3. Go to step 4. 3. Check the DTCs with the HDS. Go to the DTC Troubleshooting Index. Go to step 4. 4. Turn the ignition switch OFF. 5. Turn the ignition switch ON (II), and watch the malfunction indicator lamp (MIL). If the MIL always comes on and stays on, go to step 22. But if the MIL sometimes works • An intermittent short in the wire between the PCM (A10) and the Data Link Connector (DLC) • An intermittent short in the wire between the PCM (A18) and the gauge assembly. If the MIL is always off, go to step 6. But if the MIL sometimes works normally, first check for • A loose No. 9 BACK UP LIGHT, INSTRUMENT LIGHT (7.5A) fuse in the driver’s under-dash fuse/ • A loose ACG S (15A) fuse in the under-hood fuse/ relay box. • A loose No. 1 FUEL PUMP (15A) fuse in the driver’s under-dash fuse/relay box. • A poor connection at PCM terminal A18. between the PCM (A18) and the gauge assembly. • An intermittent short in the wire between the PCM (C19) and the manifold absolute pressure • An intermittent short in the wire between the PCM (C28) and the throttle position (TP) sensor, Does the HDS communicate with the PCM? Ar e any DT Cs indicated? Does the MIL come on and stay on f or mor e than 03/07/29 09:22:53 61S0X050_110_0166 |