Honda 2004 Odyssey Service Manual page 1919

Immobilizer System
Troubleshooting (cont'd)
6. Check for continuity between the No. 4 terminal
and body ground.
Is there continuity?
YES Go to step 7.
NO Repair open in the BRN/BLK or BRN/YEL
('02-03 models) wire between the immobilizer
receiver unit and G101.
7. Check for continuity between the No. 2 terminal
and the PCM.
• ('99-00 models) connector A No. 25 terminal
• ('01 model) connector E No. 31 terminal
• ('02-04 models) connector E No. 2 terminal
Is there continuity?
YES Go to step 8.
NO Repair open in the RED wire between the
immobilizer receiver unit and PCM.
8. Check for continuity between the No. 3 terminal
and PCM.
• ('99-00 models) connector A No. 13 terminal
• ('01 model) connector E No. 30 terminal
• ('02-04 models) connector E No. 12 terminal
Is there continuity?
YES Replace the immobilizer receiver unit.
NO Repair open in the BLU wire between the
immobilizer receiver unit and PCM.
22-240 22-240
Immobilizer Receiver Unit
Replacement
1. Remove the driver's dashboard lower cover (see
page 20-69).
2. Remove the steering column covers (see page 17-
25).
3. Disconnect the 5P and 7P connectors (A) from the
immobilizer receiver unit (B).
D
4. Remove the screws (C) and the immobilizer
receiver unit from the ignition key cylinder (D).
5. Install in the reverse order of removal.
6. After replacement, check the immobilizer system.
NOTE: The PCM does not need to be
reprogrammed if only the receiver has been
replaced.
B
C
A