P2122

Test 1 - 5:

Test 6 - 10:

Test 11 - 15:

Test 16 - 20:

Test 21 - 24:

SYMPTOM
P2122-LOW VOLTAGE AT THE APP SENSOR

WHEN MONITORED
While the key is on and during engine operation.

SET CONDITION
The APPS circuit voltage at the ECM goes below 0.13 volt for more than 2 seconds.

POSSIBLE CAUSES
- APPS
- APPS
- APPS
- APPS
- (K851) 5-volt supply circuit open
- (K22) signal circuit open from ECM to APPS
- (K22) signal circuit shorted to (K922) return circuit
- (K22) signal circuit shorted to ground
- (K22) signal circuit shorted to (K914) sensor return
- (K851) 5-volt supply circuit shorted to (K922) return circuit
- (K851) 5-volt supply circuit shorted to (K914) sensor return
- (K851) 5-volt supply circuit shorted to ground
- (K22) signal circuit shorted to (K565) idle circuit
- (K22) signal circuit shorted to (K556) not idle circuit
- ECM
- Intermittent condition
- (K23) APPS NO.1 signal circuit open
- (K852) APPS NO.1 5-volt supply open
- (K23) APPS NO.1 signal circuit shorted to ground
- (K23) APPS NO.1 signal circuit shorted to other circuits
- (K852) APPS NO.1 5-volt supply circuit shorted to ground
- (K852) APPS NO.1 5-volt supply circuit shorted to other circuits
- ECM
- APPS
- Intermittent condition