Suzuki Wagon R Manual page 3763

6-4-82 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
Result
E04 • Short circuit to ground/interruption of circuit between:
ECM - Wiring harness connector (wiring harness side) terminal C36-55
&
MAF and IAT sensor - Wiring harness connector (wiring harness side) terminal C34-1
or
• Defective component:
ECM
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-11: Air Conditioning System Information Switch Circuit
Test Table
Test
T01 Check: Interruption of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
A/C switch
&
Blower fan relay
• Ignition ON
• Measure voltage between the following terminals:
A/C switch - Wiring harness connector (wiring harness side) termi-
nal G31-3
&
Ground
Yes: T02
T02 Check: Short to Voltage of Signal Circuit
• Scan Tool Data List Parameter
A/C Switch
Yes: T03
T03 Check: Short to Ground/Interruption of Signal Circuit
• Connect fused jumper wire to:
A/C switch - Wiring harness connector (wiring harness side) termi-
nal G31-4
&
Ground
• Scan Tool Data List Parameter
A/C Switch
Yes: T04
Cause Of Fault
Work Order Description Nominal Value
greater than 11 V
No: E06
Inactive
No: E05
Active
No: E04