Suzuki Wagon R Manual page 3795

6-4-114 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
Test
T06 Check: Circuit Interruption of Ground Circuit
• Ignition OFF
• Remove fused jumper wire
• Disconnect wiring harness connector from:
ECM (Wiring Harness Connector C36)
&
Radiator fan relay
• Ignition ON
• Measure voltage between the following terminals:
EGR valve - Wiring harness connector (wiring harness side) termi-
nal C31-1
&
Ground
Yes: T07
T07 Check: Short to Ground of Voltage Supply Circuit
• Ignition OFF
• Measure resistance between the following terminals:
EGR valve - Wiring harness connector (wiring harness side) termi-
nal C31-1
&
Ground
Yes: T08
T08 Check: Interruption of Voltage Supply Circuit
• Measure resistance between the following terminals:
ECM - Wiring harness connector (wiring harness side) terminal
C36-50
&
EGR valve - Wiring harness connector (wiring harness side) termi-
nal C31-1
Yes: E01
Result Table
Result
E01 • Defective component:
ECM
or
EGR valve
NOTE:
If ECM is replaced, register password (PWD) and secret key code (SKC) to ECM referring to
"Procedure after ECM Replacement" in Section 8G3.
E02 • Circuit interruption between:
ECM - Wiring harness connector (wiring harness side) terminal C36-50
&
EGR valve - Wiring harness connector (wiring harness side) terminal C31-1
E03 • Short circuit to ground between:
ECM - Wiring harness connector (wiring harness side) terminal C36-50
&
EGR valve - Wiring harness connector (wiring harness side) terminal C31-1
Work Order Description
Cause Of Fault
Nominal Value
less than 0.3 V
No: E04
greater than 500 kΩ
No: E03
less than 5 Ω
No: E02