Test 1B - Identifying Diagnostic Trouble Codes
NOTE:
TEST 2A through TEST 28A are related to A/C-heater systems. For A/C-heater system test procedures, see the A/C-HEATER SYSTEM article.
If scan tool displays fault messages in TEST 1A, record messages displayed and perform appropriate test(s) as listed in the SCAN TOOL MESSAGE DIRECTORY table.
SCAN TOOL MESSAGE DIRECTORY
| Scan Tool Display | (1) Perform Test No. | ||
|---|---|---|---|
| BATTERY POWER TO MODULE DISCONNECTED | TEST 113A | ||
| COURTESY LAMP OUTPUT FAILURE | TEST 34A | ||
| EEPROM CHECKSUM FAILURE | (1) | ||
| FUEL SENSOR OPEN | TEST 68A | ||
| INTERNAL MODULE TESTS FAILED | (1) | ||
| PANEL LAMP PWM OUTPUT FAILURE | TEST 60A | ||
| TRANS PRNDL MESSAGE TEST FAILED | TEST 59A | ||
| WIPER PARK SWITCH FAILURE | TEST 108A | ||
|
|||