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Circuit opening relay CIRCUIT OPENING RELAY - SERVICE DATA Air fuel ration sensor (for Bank 1 sensor 1) AIR FUEL RATION SENSOR (FOR BANK 1 SENSOR 1) - SERVICE DATA Air fuel ration sensor (for Bank 2 sensor 1) AIR FUEL RATION SENSOR (FOR BANK 2 SENSOR 1) - SERVICE DATA Heated oxygen sensor (for Bank 1 sensor 2) HEATED OXYGEN SENSOR (FOR BANK 1 SENSOR 2) - SERVICE DATA Heated oxygen sensor (for Bank 2 sensor 2) HEATED OXYGEN SENSOR (FOR BANK 2 SENSOR 2) - SERVICE DATA A/F sensor heater relay A/F SENSOR HEATER RELAY - SERVICE DATA Tester Condition Specified EFI No. 1 fuse Always Below 1 ohms 1C-1 - 1B-4 When battery voltage is not applied to terminals 1B-2 and 1B- 10 kohms or higher When battery voltage Is applied to terminals 1B-2 and 1B-3) Below 1 ohms 1C-1 - 1B-5 When battery voltage is not applied to terminals 1B-2 and 1B- 10 kohms or higher When battery voltage is applied to terminals 1B- 2 and 1B-3) Below 1 ohms Tester Connection Condition Specified Condition 3 - 5 When battery voltage is not applied to terminals 1 and 2 10 kohms or higher When battery voltage is applied to terminals 1 and 2 Below 1 ohms Tester Connection Condition Specified Condition 1 (HT1A) - 2 (+B) 20°C (68°F) 1.8 to 3.4 ohms Tester Connection Condition Specified Condition 1 (HT2A) - 2 (+B) 20°C (68°F) 1.8 to 3.4 ohms Tester Connection Condition Specified Condition 1 (HT1B) - 2 (+B) 20°C (68°F) 11 to 16 ohms Tester Connection Condition Specified Condition 1 (HT2B) - 2 (+B) 20°C (68°F) 11 to 16 ohms
2009 Toyota Tundra 2009 GENERAL INFORMATION Service Specifications - Tundra
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