Relay -- On-Vehicle Inspection |
1. INSPECT CIRCUIT OPENING RELAY (C/OPN) |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher Battery voltage is applied to terminals 1 and 2 Below 1 Ω
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2. INSPECT NO. 1 INTEGRATION RELAY (IG2) |
Check the IG2 fuse.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition IG2 fuse Always Below 1 Ω
Check the IG2 relay.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 1C-1 - 1A-4 Battery voltage not applied to terminals 1A-1 and 1A-3 10 kΩ or higher Battery voltage applied to terminals 1A-1 and 1A-3 Below 1 Ω
If the result is not as specified, replace the No. 1 integration relay.Text in Illustration *a Component without harness connected
(Integration Relay)
3. INSPECT NO. 1 INTEGRATION RELAY (EFI) |
Check the EFI fuse.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition EFI fuse Always Below 1 Ω
Check the EFI relay.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 1C-1 - 1B-4 Battery voltage not applied to terminals 1B-2 and 1B-3 10 kΩ or higher Battery voltage applied to terminals 1B-2 and 1B-3 Below 1 Ω
If the result is not as specified, replace the No. 1 integration relay.Text in Illustration *a Component without harness connected
(Integration Relay)
4. INSPECT NO. 1 INTEGRATION RELAY (A/F) |
Check the A/F fuse.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition A/F fuse Always Below 1 Ω
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 1C-1 - 1B-8 Battery voltage not applied to terminals 1B-4 and 1B-7 10 kΩ or higher Battery voltage applied to terminals 1B-4 and 1B-7 Below 1 Ω
If the result is not as specified, replace the No. 1 integration relay.Text in Illustration *a Component without harness connected
(Integration Relay)
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5. INSPECT AIR PUMP HEATER RELAY |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher Battery voltage is applied to terminals 1 and 2 Below 1 Ω
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6. INSPECT AIR INJECTION VSV RELAY (AI-VSV) |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition 3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher Battery voltage is applied to terminals 1 and 2 Below 1 Ω
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7. INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK) |
- NOTICE:
- The ACC relay and IG1 No. 1 relay are built into the main body ECU (driver side junction block).
Inspect the ACC relay.
Measure the resistance according to the value(s) in the table below.
Text in Illustration *a Component without harness connected
(Main Body ECU)- - - Standard Resistance:
Tester Connection Condition Specified Condition 2D-17 - 2K-1 Battery voltage not applied to terminals 2A-48 and 2D-4 10 kΩ or higher Battery voltage applied to terminals 2A-48 and 2D-4 Below 1 Ω
Inspect the IG1 No. 1 relay.
Measure the resistance according to the value(s) in the table below.
Text in Illustration *a Component without harness connected
(Main Body ECU)- - - Standard Resistance:
Tester Connection Condition Specified Condition 2A-31 - 2K-1 Battery voltage not applied to terminals 2A-52 and 2D-4 10 kΩ or higher Battery voltage applied to terminals 2A-52 and 2D-4 Below 1 Ω