Suzuki Baleno Manual page 995

8G-30 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
TERMINAL
E127-1 E127 1 Ignition signal Ignition signal
E127-2 Power source
E127-3 Coil antenna 2
E127-4 Coil antenna 1
E127-5
Blank
E127-6
Data link connector
E127-7
(Serial data terminal)
E127-8 Ground
E127-9 Blank
E127 10 E127-10 Diagnosis output Diagnosis output
NOTE:
When measuring voltage at E127-4 and E127-3 terminals with ignition switch turned ON, be sure to turn
ignition switch ON before connecting positive probe of voltmeter to E127-4 or E127-3 terminal. If it is not
turned ON first, DTC13 (Diagnostic Trouble Code 13) may be indicated.
1. Immobilizer Control Module coupler disconnected
2. Ohmmeter
TERMINAL
E127-4 – E127-3 Coil antenna
CIRCUIT
Resistance Check
1) Disconnect Immobilizer Control Module couplers from Immobi-
lizer Control Module with ignition switch OFF.
2) Check resistance between each terminal of couplers discon-
nected.
CIRCUIT
NORMAL
VOLTAGE
10 – 14V Ignition switch ON
0 – 0.8V Ignition switch OFF
10 – 14V
0V Ignition switch ON
0V
–
4 – 5V Ignition switch ON
–
–
0 – 14V Ignition switch ON
0V Ignition switch OFF
CAUTION:
Never touch terminals of Immobilizer Control Module
itself or connect voltmeter or ohmmeter.
CAUTION:
D Be sure to connect ohmmeter probe from wire har-
ness side of coupler.
D Be sure to turn OFF ignition switch for this check.
D Resistance in table below represents that when
parts temperature is 20_C (68_F).
NORMAL
RESISTANCE
Continuity
CONDITION
–
–
–
CONDITION
–