Suzuki SWIFT 2005 User Manual

Power Assisted Steering System: 6C-29
DTC Troubleshooting
Step Action Yes No
1 Was “EPS System Check” performed? Go to Step 2. Go to “EPS System
Check”.
2 DTC check
1) Clear DTC(s) referring to “DTC Clearance”.
2) Run engine at idle speed.
3) Check if any DTC is detected referring to “DTC Check”.
Is DTC C1122 still detected?
Go to Step 3. Check intermittent
trouble referring to
“Intermittent and Poor
Connection Inspection
in Section 00”.
3 DTC check
1) Check ECM for DTC referring to “DTC Check in Section
1A”.
Is there any DTC related to engine speed?
Go to applicable DTC
diag. flow.
Go to Step 4.
4 Engine speed signal circuit check
1) With ignition switch turned OFF, disconnect P/S control
module connector.
2) Check P/S control module connector for proper
connection.
3) If OK, turn ON ignition switch, measure voltage between
“E52-12” wire terminal of P/S control module connector
and vehicle body ground.
Is voltage 10 – 14 V?
Go to Step 6. Go to Step 5.
5 1) With ignition switch turned OFF, disconnect ECM
connector.
2) Check for proper connection to the P/S control module
and ECM at each “Engine speed signal circuit” terminal.
3) If connections are OK, check that “Engine speed signal
circuit” is as following.
• Insulation resistance of “Engine speed signal circuit”
wire is infinity between its terminal and other terminals
at ECM and P/S control module connector.
• Wiring resistance of “Engine speed signal circuit”
terminal are less than 1 Ω.
• Insulation resistance of “Engine speed signal circuit”
between its terminal and vehicle body ground is
infinity.
• Circuit voltage between “Engine speed signal circuit”
and ground circuit is 0 – 1 V with ignition switch turned
ON.
Is circuit in good condition?
Go to Step 6. Repair engine speed
signal circuit.
6 ECM voltage check
1) Connect P/S control module and ECM connectors.
2) Check ECM for engine speed signal and vehicle speed
signal output voltage to P/S control module referring to
“Inspection of ECM and Its Circuits in Section 1A”.
Is check result in good condition?
Substitute a known-
good P/S control
module and recheck.
Substitute a known-
good ECM and recheck.

Suzuki SWIFT 2005 Specifications

General

Brand	Suzuki
Model	SWIFT 2005
Category	Automobile
Language	English