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DTC P0134:
A/F Sensor (Sensor 1) Heater System Malfunction
NOTE:
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If the vehicle was out of fuel and the engine stalled before this DTC was stored, refuel and clear the DTC with the HDS.
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If DTC P0135 is stored at the same time as DTC P0134, troubleshoot DTC P0135 first, then recheck for DTC P0134.
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Turn the ignition switch to ON (II).
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Clear the DTC with the HDS.
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Start the engine, and let it idle without load (A/T in P or N, M/T in neutral) until the radiator fan comes on.
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Check for Temporary DTCs or DTCs with the HDS.
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YES
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NO
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Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1), the PGM-FI subrelay, and the ECM/PCM.■
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Turn the ignition switch to LOCK (0).
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Turn the ignition switch to ON (II).
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Reset the ECM/PCM with the HDS.
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Check for Temporary DTCs or DTCs with the HDS.
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YES
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Check for poor connections or loose terminals at the A/F sensor (Sensor 1), the PGM-FI subrelay, and the ECM/PCM, then go to
Step 1
.
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NO
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Monitor the OBD STATUS for DTC P0134 in the DTCs MENU with the HDS.
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Does the screen indicate PASSED?
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YES
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Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in
Step 10
, go to the indicated DTC's troubleshooting.■
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NO
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If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1), the PGM-FI subrelay, and the ECM/PCM, then go to
Step 1
. If the screen indicates NOT COMPLETED, keep idling until a result comes on.
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