Symptom Troubleshooting Using Malfunctioning Circuit Functions
WARNING: This page is about a different car, the 2012 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction occurs in the immobilizer circuit, use the table to cross-reference the malfunction criteria to the line(s) that should be checked table:
NOTE:
To test the malfunctioning circuits, do the immobilizer-keyless control unit input test (see IMMOBILIZER-KEYLESS CONTROL UNIT INPUT TEST
).
| Function | Immobilizer Indicator | Engine Start | Key Registration | Tester Communication | Keyless Operation | |
|---|---|---|---|---|---|---|
| Line Error | ||||||
| Terminal No. (Wire color) | Cause of Malfunction | |||||
| 1 (WHT) | VBU line open or short | Comes on, then goes off. | Possible | Impossible | Possible | Impossible |
| 2 (BRN) | IG1 line open or short | Blinking | Impossible | Impossible | Impossible | Possible |
| 3 (LT GRN) | B-CAN L line open or short | Comes on, then goes off. | Possible | Possible | Immobilizer: Possible | Impossible |
| Keyless: Impossible | ||||||
| 4 (WHT) | B-CAN H line open or short | Comes on, then goes off. | Possible | Possible | Immobilizer: Impossible | Impossible |
| Keyless: Impossible | ||||||
| 5 (LT BLU) | K-LINE line open or short | Comes on, then goes off. | Possible | Impossible | Impossible | Possible |
| 6 (PNK) | S-NET line open or short | Blinking | Impossible | Impossible | Impossible | Possible |
| 7 (BRN) | GND (LG3) line open | Blinking | Impossible | Impossible | Impossible | Impossible |