Suzuki Wagon R Manual page 3728

Test
T11 Check: Short to Voltage of Voltage Supply Circuit
• Ignition OFF
• Disconnect wiring harness connector from:
HO2S-1
• Ignition ON
• Measure voltage between the following terminals:
Main relay - Socket terminal E56-3
&
Ground
• Disconnect each of the following components/control units consec-
utively from the wiring harness and repeat the measurement each
time:
HO2S-2
EVAP canister purge valve
MAF sensor (Z10XEP)
EGR valve
Twinport vacuum unit
Yes: E08
T12 Check: Short to Voltage of Signal Circuit
• Ignition OFF
• Remove electrical component from socket:
Circuit fuse
• Ignition ON
• Measure voltage between the following terminals:
Main relay - Socket terminal E56-3
&
Ground
Yes: E09
T13 Check: Short to Ground/Interruption of Voltage Supply Circuit
• Remove electrical component from socket:
Circuit fuse
• Check the following component for proper operation:
Circuit fuse
Yes: T14
T14 Check: Interruption of Voltage Supply Circuit
• Measure voltage between the following terminals:
Circuit fuse - Input contact
&
Ground
Yes: E13
T15 Check: Short to Ground of Voltage Supply Circuit
• Connect fused jumper wire to:
Circuit fuse - Output contact
&
Battery voltage
• Check the following component for proper operation:
Fuse of the fused jumper wire
Yes: T16
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-47
Work Order Description Nominal Value
less than 0.3 V
NO: T12
less than 0.3 V
NO: E10
Test OK?
NO: T15
greater than 11 V
NO: E14
Test OK?
NO: T20