Suzuki Wagon R Manual page 3760

Test
T03 Check: Short to Voltage/Interruption of Signal Circuit
• Connect fused jumper wire to:
ECT sensor - Wiring harness connector (wiring harness side) ter-
minal C30-1
&
ECT sensor - Wiring harness connector (wiring harness side) ter-
minal C30-2
• Scan Tool Data List Parameter
Coolant Temp Volt
Yes: E01
T04 Check: Short to Voltage/Ground/Interruption of Signal Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
ECT Sensor
&
Radiator fan relay
• Ignition ON
• Measure voltage between the following terminals:
ECT sensor - Wiring harness connector (wiring harness side) ter-
minal C30-1
&
Ground
Yes: E04
Result Table
Result
E01 • Defective component:
ECT sensor
E02 • Short circuit to voltage/interruption of circuit between:
ECM - Wiring harness connector (wiring harness side) terminal C36-42
&
ECT sensor - Wiring harness connector (wiring harness side) terminal C30-2
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.
E03 • 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.
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-79
Work Order Description
Cause Of Fault
Nominal Value
less than 0.1 V
No: E02
greater than 5.2 V
No: E05