ON BOARD DIAGNOSTIC SYSTEM — Diagnostic Trouble Code Numbers (continued)
F2-75spec tableHeated oxygen sensor and closed loop system rows note 'Right side'.
Diagnostic Trouble Code Numbers (continued)
23
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitHeated oxygen sensor (Right side)
ConditionSensor output continues less than 0.55V 100 sec. after engine speed exceeds 1,500 rpm
PointHeated oxygen sensor connector; Wiring from heated oxygen sensor to ECM; Heated oxygen sensor
MemorizedYes
PageF2-86
24
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitClosed loop system (Right side)
ConditionSensor output not changed 50 sec. after engine speed exceeds 1,500 rpm
PointFuel pressure; Injection fuel leakage; Ignition system; Air leakage; ECM
MemorizedYes
PageF2-86
25
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitPRC solenoid valve (pressure regulator control)
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-88
26
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitPurge solenoid valve (purge control)
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-88
28
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitEGR solenoid valve (vacuum)
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-89
29
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitEGR solenoid valve (vent)
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-89
34
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitIdle air control valve
ConditionOpen circuit
PointIdle air control valve connector; Wiring from idle air control valve to ECM; Idle air control valve continuity
MemorizedNo
PageF2-90
41
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitVRIS solenoid valve No.1
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-91
46
Indicator flashing patternON/OFF flash pattern
Diagnosed circuitVRIS solenoid valve No.2
ConditionOpen circuit
PointSolenoid valve connection; Wiring from solenoid valve to ECM; Solenoid valve continuity
MemorizedNo
PageF2-91
NOTE
If more than one failure is present, the code numbers will be indicated in numerical order.
After repairs, cancel the code numbers by performing the "After-repair procedure". (Refer to page F2-92.)
See also
F2-86On Board Diagnostic System — Code No. 17 and/or 24 (Closed Loop System)F2-88On Board Diagnostic System — Code No. 25 (PRC Solenoid Valve) / Code No. 26 (Purge Solenoid Valve)F2-89On Board Diagnostic System — Code No. 28 (EGR Solenoid Valve — Vacuum) / Code No. 29 (EGR Solenoid Valve — Vent)F2-90On Board Diagnostic System — Code No. 34 (Idle Air Control Valve)F2-91On Board Diagnostic System — Code No. 41 (VRIS Solenoid Valve No.1) / Code No. 46 (VRIS Solenoid Valve No.2)F2-92On Board Diagnostic System — After-Repair Procedure / Switch Monitor Function