2000-2004 Honda Insight IMA System Indicator On With IMA DTC 77 REPAIR PROCEDURE

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PROBLEM The IMA system indicator comes on and IMA DTC 77 (P1447) (battery module deterioration) or DTC 78 (P1449) (battery module deterioration) is set. CORRECTIVE ACTION Replace the battery module. If needed, replace the motor control module (MCM), the battery condition monitor (BCM), or both INSPECTION PROCEDURE 1. Turn the ignition switch to LOCK (0). 2. Remove the cargo floor mat (see page 20-44 of the 2000-04 Insight Service Manual). (In ISIS, use the keyword FLOOR MAT , and select Interior Trim Removal/Installation – Cargo Area from the list.) 3. Remove the battery module switch cover (two bolts), then remove the locking cover from the switch. 4. Flip the battery module switch to OFF . Reinstall the locking cover. 5. Wait at least 5 minutes to let the capacitors in the system discharge. 6. Remove the right trunk shelf support (five clips and two bolts). 7. Remove the six mid-frame cover bolts. Remove the intelligent power unit (IPU) lid (17 bolts). 8. Measure the voltage at the junction board terminals. There should be 30 V or less . If you read more than 30 V , there is a problem in the circuit; do the DTC troubleshooting first. SWITCH COVER LOCKING COVER BOLTS LOCKING COVER BATTERY MODULE SWITCH IPU LID RIGHT TRUNK SHELF SUPPORT BOLTS (17) CLIPS CLIPS BOLTS ON JUNCTION BOARD TERMINALS REPAIR PROCEDURE 1. Remove the battery module from the vehicle (see page 12-113 of the service manual). (In ISIS, use the keyword BAT MOD , and select Battery Module Removal/Installation from the list.) 2. Remove the lifting tool from the battery module. 3. Remove the mounting bolts for the MCM and the BCM (eight total). Unplug the electrical connectors (five for the MCM and three for the BCM), then remove the modules. 4. Install the MCM and the BCM in the new battery module. Use the original MCM and BCM if no replacement was needed; otherwise, use the appropriate replacement parts. Torque the mounting bolts to 9.8 N·m (7.2 lb-ft) . 5. Install the lifting tool on the battery module. 6. With someone to help you, carefully lift the battery module into the vehicle, and set it down into position. Remove the lifting tool. 7. Plug in the connectors, and install the Y condenser harness. Then install the mounting bolts. Torque the bolts to 24 N·m (17 lb-ft) . 8. Install the battery module air duct. Torque the bolt to 9.8 N·m (7.2 lb-ft) . 9. Connect the high voltage cables to the junction board. Torque the bolts to 9.8 N·m (7.2 lb-ft) . 10. Install the front and rear IPU braces and the mid- frame. Torque the bolts to 9.8 N·m (7.2 lb-ft) . Model Year MCM Part Number Replacement Part Number M/T Models 2000-01 1K000-PHM-000 thru 1K000-PHM-050 1K000-PHM-060 (H/C 7071525)