Suzuki Swift User Manual page 236

6-1-80 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)
INSPECTION
STEP
1 Was ENGINE DIAG. FLOW TABLE performed?
2 Do you have SUZUKI scan tool?
3 EGR Valve Operation Check
1) With ignition switch OFF, install SUZUKI scan tool.
2) Check EGR system referring to section 6E2.
Is it in good condition?
4 MAP Sensor Check
1) Check MAP sensor for performance referring to "MAP
Sensor Check" in DTC P0105 Diag. Flow Table.
Is check result satisfactory?
5 EGR Valve Power Supply Circuit Check
1) With ignition switch OFF, disconnect EGR valve
coupler.
2) With ignition switch ON, check voltage between C13-2
and ground, C13-5 and ground. See Fig. 1.
Is each voltage 10 – 14 V?
6 EGR Valve Stepping Motor Coil Circuit Check
1) With ignition switch OFF, connect EGR valve coupler
and disconnect ECM (PCM) couplers.
2) Check resistance between C02-6 and C02-2, C02-8,
C02-9, C02-17.
Is each resistance 20 – 24 Ω at 20_C, 68_F?
7 MAP Sensor Check
1) Check MAP sensor for performance referring to
"MAP Sensor Check" in DTC P0105 Diag. Flow Table.
Is check result satisfactory?
Fig. 1 for step 5
1. EGR valve coupler
ACTION YES
Go to Step 2. Go to ENGINE
DIAG. FLOW
TABLE.
Go to Step 3. Go to Step 5.
Go to Step 4. Go to Step 5.
Intermittent trouble Repair or replace.
or faulty ECM
(PCM) Check for in-
termittent referring
to "Intermittent and
Poor Connection" in
section 0A.
Go to Step 6. "R /B" wire.
Go to Step 7. Faulty "R/Y",
"R /Bl", "R", "R/W"
wire or EGR valve.
EGR passage Repair or replace.
clogged or EGR
valve malfunction.
If all above are OK,
intermittent trouble
or faulty ECM.
Check for intermit-
tent referring to
"Intermittent and
Poor Connection" in
section 0A.
NO