MARUTI SUZUKI Wagon R, Manual

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Engine General Information and Diagnosis: Bi-Fuel LPG model 1A-22
Step 2: DTC / Freeze Frame Data Check, Record and Clearance
First, check DTC (current and pending DTC). )
If DTC is indicated, print it and freeze frame data or write them down and then clear them. )
Step 3 and 4: Visual Inspection
As a preliminary step, be sure to perform visual check of the items that support proper function of engine. )
Step 5: Trouble Symptom Confirmation
In case that there is no DTC at Step 2:
Based on information obtained in “Step 1: Customer Complaint Analysis”: Bi-Fuel LPG model and “Step 2: DTC /
Freeze Frame Data Check, Record and Clearance”: Bi-Fuel LPG model, confirm trouble symptoms.
In case that there is any DTC at Step 2:
Recheck DTC according to “DTC Confirmation Procedure” described in each DTC troubleshooting.
Step 6 and 7: Rechecking and Recording DTC / Freeze Frame Data
Refer to “DTC Check”: Bi-Fuel LPG model for checking procedure.
Step 8: Engine Basic Inspection and Engine Symptom Diagnosis
1) Perform basic engine inspection. Refer to “Engine Basic Inspection”: Bi-Fuel LPG model.
2) In case that there is no faulty part found in inspection procedure of “Engine basic inspection”, perform “Engine
Symptom Diagnosis”: Bi-Fuel LPG model based on symptom found in vehicle checking in the following steps.
• Customer complaint analysis
• Trouble symptom confirmation
Step 9: Troubleshooting for DTC
Perform applicable DTC troubleshooting and repair or replace faulty parts.
Step 10: Intermittent Problem Check
In case that there is no DTC at Step 2:
Check for intermittent problem. Refer to “Intermittent and Poor Connection Inspection”: in Section 00.
In case that there is any DTC at Step 2:
Check parts related to detected DTC (e.g., wire harness, connector, etc.).
Step 11: Final Confirmation Test
Confirm that the problem symptom has gone and engine is free from any abnormal conditions. If what has been
repaired is related to DTC, clear DTC once, perform DTC confirmation procedure and confirm that no DTC is
indicated.
LPG Warning Light Check
AENAR90A1104003
1) Turn ignition switch to ON position (with engine
stopped) and check that LPG warning light (1) lights
for approx. 2 sec. and then turns OFF.
If LPG warning light does not light up (or LPG
warning light dims), go to “LPG Warning Light Does
Not Come ON with Ignition Switch in ON Position
and Engine Stopped”: Bi-Fuel LPG model for
troubleshooting.
2) Start engine and check that LPG warning light turns
OFF.
If LPG warning light remains ON and no DTC is
stored in LPG control module, go to “LPG Warning
Light Remains ON after Engine Starts”: Bi-Fuel LPG
model for troubleshooting.
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IAR90A110042-01