Inspection Procedure

1. Turn the engine switch on (IG).
2. Measure the voltage according to the value (s) in the table below.

Standard voltage 

Fig 1: Identifying ECM Connector A5 And E4

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OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE 

NG: Go to Next Step 

1. Disconnect the E4 ECM connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard resistance (Check for open) 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Specified Condition
   E1 (E4-7) - Body ground	Below 1 Ω

3. Reconnect the ECM connector.
Fig 2: Identifying E4 ECM Connector
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NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Turn the engine switch on (IG).
2. Measure the voltage according to the value (s) in the table below.

Standard voltage 

Fig 3: Identifying ECM Connector A5 And E4

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OK: Go to step   6 

NG: Go to Next Step 

1. Remove the IGN fuse from the cowl side junction block RH.
2. Measure the resistance of the IGN fuse.

   Standard resistance: 

   Below 1 Ω 

3. Reinstall the IGN fuse.
Fig 4: Identifying IGN Fuse From Cowl Side Junction Block RH
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NG: REPLACE FUSE 

OK: Go to Next Step 

1. Remove the IG2 relay from the engine room R/B No. 2.
2. Measure the resistance according to the value (s) in the table below.

Standard resistance 

Fig 5: Inspecting Ignition Relay No. 2

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NG: REPLACE IGNITION RELAY NO. 2 

OK: CHECK AND REPLACE SMART ACCESS SYSTEM WITH PUSH-BUTTON START 

1. Turn the engine switch on (IG).
2. Measure the voltage according to the value (s) in the table below.

Standard voltage 

Fig 6: Identifying ECM Connector A5 And E4

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NG: REPLACE ECM 

OK: Go to Next Step 

1. Remove the EFI fuse from the engine room J/B No. 2.
2. Measure the resistance of the EFI fuse.

   Standard resistance: 

   Below 1 Ω 

3. Reinstall the EFI fuse.
Fig 7: Identifying EFI Fuse From Engine Room J/B No. 2
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NG: REPLACE FUSE 

OK: Go to Next Step 

1. Remove the integration relay from the engine room J/B No. 2.
2. Measure the resistance according to the value (s) in the table below.

Standard resistance 

Fig 8: Identifying Integration Relay Terminal 2C, 2B And 2A

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NG: REPLACE INTEGRATION RELAY 

OK: Go to Next Step 

1. Check the harness and the connectors between the integration relay and the ECM.
   1. Remove the integration relay from the engine room J/B No. 2.
   2. Disconnect the A5 ECM connector.
   3. Measure the resistance according to the value (s) in the table below.

   Standard resistance (Check for open) 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Specified Condition
   2A-6 - MREL (A5-13)	Below 1 Ω

   Standard resistance (Check for short) 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Specified Condition
   2A-6 or MREL (A5-13) - Body ground	10 kΩ or higher

2. Check the harness and the connectors between the integration relay and body ground.

Fig 9: Identifying A5 ECM Connector

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1. Remove the integration relay from the engine room J/B No. 2.
2. Measure the resistance according to the value (s) in the table below.

Standard resistance (Check for open) 

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: CHECK AND REPAIR HARNESS AND CONNECTOR (TERMINAL +B OF ECM - BATTERY POSITIVE TERMINAL)