Suzuki Wagon R Manual page 3726

C-02: Control Module Hard- and Software
Result Table
Result
E01 Check ECM power and ground circuit for condition. If circuits are OK, substitute a known-good
ECM and recheck.
NOTE:
If ECM is replaced, register password (PWD) and secret key code (SKC) to ECM referring to
"Procedure after ECM Replacement" in Section 8G3.
C-03: Power Supply Circuit
Test Table
Test
T01 Check: Short to Ground/Interruption of Voltage Supply Circuit
• Ignition OFF
• All consumers turned off
• Remove electrical component from socket:
Main relay
• Connect test lamp (21 W) and multimeter in parallel and measure
voltage between the following terminals:
Main relay - Socket terminal E56-2
&
Ground
Yes: T02
T02 Check: Interruption of Voltage Supply Circuit
• Connect test lamp (21 W) and multimeter in parallel and measure
voltage between the following terminals:
Main relay - Socket terminal E56-4
&
Ground
Yes: T03
T03 Check: Short to Voltage of Signal Circuit
• Ignition ON
• Measure voltage between the following terminals:
Main relay - Socket terminal E56-1
&
Ground
Yes: T04
T04 Check: Short to Voltage of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECM
• Ignition ON
• Measure voltage between the following terminals:
Main relay - Socket terminal E56-3
&
Ground
Yes: T05
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-45
Cause Of Fault
Work Order Description Nominal Value
greater than 11 V
NO: T13
greater than 11 V
NO: E12
less than 0.3 V
NO: E11
less than 0.3 V
NO: T09