Anyone know this Diagnostic code.
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Classification: Reference: Date:
EC04-026 ITB04-059 October 29, 2004
MUST CLEAR SELF-LEARNING AFTER REPAIRING DTC
P1273/P1283 OR P1274/P1284 / AIR FUEL LEAN OR RICH SHIFT
APPLIED VEHICLES: All Infiniti’s with DTC’s P1273 / P1274 / P1283 / P1284
IF YOU CONFIRM:
A MIL “ON” with any of the following DTC(s) stored:
• P1273 / P1283 (A/F Sensor Bank-1 / 2 —Lean Monitor)
• P1274 / P1284 (A/F Sensor Bank-1 / 2 —Rich Monitor)
ACTIONS:
1. Repair the vehicle as necessary.
• Refer to ASIST for diagnostic and repair information.
2. Clear the engine ECU Self-Learning.
IMPORTANT: If Self-Learning Is Not Cleared:
• The DTC may be stored again; even if no malfunction exists.
• This could result in the customer returning with the same incident (“come-back” repair).
repair item.
EC04-026 ITB04-059 October 29, 2004
MUST CLEAR SELF-LEARNING AFTER REPAIRING DTC
P1273/P1283 OR P1274/P1284 / AIR FUEL LEAN OR RICH SHIFT
APPLIED VEHICLES: All Infiniti’s with DTC’s P1273 / P1274 / P1283 / P1284
IF YOU CONFIRM:
A MIL “ON” with any of the following DTC(s) stored:
• P1273 / P1283 (A/F Sensor Bank-1 / 2 —Lean Monitor)
• P1274 / P1284 (A/F Sensor Bank-1 / 2 —Rich Monitor)
ACTIONS:
1. Repair the vehicle as necessary.
• Refer to ASIST for diagnostic and repair information.
2. Clear the engine ECU Self-Learning.
IMPORTANT: If Self-Learning Is Not Cleared:
• The DTC may be stored again; even if no malfunction exists.
• This could result in the customer returning with the same incident (“come-back” repair).
repair item.
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