Suzuki Liana RH413, Service Manual

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Immobilizer Control System: 10C-12
DTC Is Not Output from Immobilizer Control Module
S3RH0AA304006
Wiring Diagram
Troubleshooting
BLK/RED
BLK/WHT
BLK
YEL
G45-3
G45-2
G45-5
G45-1
5 3 2 1
G45
BLK/YEL
1
2
2
2
3
4
10
5
7
6
9
8
I3RH0AA30015-01
1. Battery 5. IG fuse (15 A) 9. Coil antenna
2. Fuse 6. To ECM (G04-10) 10. Immobilizer Control Module connector (viewed from harness side)
3. Ignition switch 7. Immobilizer Control Module
4. Main relay 8. To data link connector (9th pin)
Step Action Yes No
1 Check voltage between “G45-3” terminal and body ground
with ignition switch turned ON.
Is it 10 – 14 V?
Go to Step 2. “BLK/RED” wire open or
short to ground
2 1) Disconnect coupler (1) at Immobilizer Control Module.
Is there continuity between coupler terminal “G45-5” and
body ground?
Poor “G45-3” or “G45-5”
connection, poor #9-pin
connection in DLC, or
serial data line “YEL”
open or short to ground
If connections and line
are OK, substitute a
known-good
Immobilizer Control
Module and recheck.
See NOTE. “BLK” wire open
I3RH0AA30016-01
I3RH0AA30017-01