ON-BOARD DIAGNOSTIC
01–02–6
*
: Indicates the applicable item in On-Board System Readiness Test defined by CARB.
Sending Intermittent Monitoring System Test Results
• The items supported by the sending intermittent monitoring system are shown below.
Sending Continuous Monitoring System Test Results
• These appear when a problem is detected in a monitored system.
1-drive cycle type
• If any problems are detected in the first drive cycle, pending codes will be stored in the PCM memory, as well
as DTCs.
• After pending codes are stored, if the PCM determines that the system is normal in any future drive cycle, the
PCM deletes the pending codes.
P2136 TP sensor No.1/No.3 voltage correlation problem ON 1 CCM ×
P2138 APP sensor No.1/No.2 voltage correlation problem ON 1 CCM ×
P2195 Front HO2S signal stuck lean ON 2 HO2S ×
P2196 Front HO2S signal stuck rich ON 2 HO2S ×
P2257 AIR pump relay control circuit low ON 2 CCM ×
P2258 AIR pump relay control circuit high ON 2 CCM ×
P2259 AIR solenoid valve control circuit low ON 2 CCM ×
P2260 AIR solenoid valve control circuit high ON 2 CCM ×
P2270 Rear HO2S signal stuck lean ON 2 HO2S ×
P2271 Rear HO2S signal stuck rich ON 2 HO2S ×
P2401 EVAP system leak detection pump control circuit low ON 2 EVAP system ×
P2402 EVAP system leak detection pump control circuit high ON 2 EVAP system ×
P2404
EVAP system leak detection pump sense circuit range/
performance problem
ON 2 EVAP system ×
P2405 EVAP system leak detection pump sense circuit low ON 2 EVAP system ×
P2406 EVAP system leak detection pump sense circuit high ON 2 EVAP system ×
P2407
EVAP system leak detection pump sense circuit intermittent/
erratic problem
ON 2 EVAP system ×
P2502 Charging system voltage problem OFF 1 Other ×
P2503 Charging system voltage low OFF 1 Other ×
P2504 Charging system voltage high OFF 1 Other ×
DTC No. Condition MIL DC
Monitor item
*
Memory
function
Test ID Description Related system
10:01:80 Response lean to rich
HO2S (front HO2S)
10:01:81 Response rich to lean
10:02:01 Rich to lean sensor threshold voltage
HO2S (rear HO2S)
10:02:03 Low sensor voltage for switch time calculation
10:02:04 High sensor voltage for switch time calculation
10:02:05 Rich to lean sensor switching time
10:21:80 Front and rear HO2S switching time ratio Catalyst
10:3A:80 Large leak check
EVAP system
10:3B:80 Small leak check
10:3C:80 Very small leak check
10:3D:80 Purge flow monitor
10:71:80 Secondary airflow test AIR system
10:E1:80 Heat radiation ratio
Thermostat
10:E1:81 ECT
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