Code & Test Menus
DIAGNOSIS BY SYMPTOM TEST - CIRCUIT TEST & STEP
| Symptom | Go To Circuit Test And Step No. |
|---|---|
| Runs Rough, Misses, Stalls, Lacks Power, Rough Idle, Surges, Stalls in Self Test | D20 |
| A/C Stays On During WOT | D22 (41) |
| A/C Not Functioning | D22 (39) |
| Low Idle With A/C On | B13 (10) |
| High Idle In "Drive" (A/T) | B13 (11) |
| Shift Indicator Light Always/Never On | D6 (1) |
| "CHECK ENGINE" Light Always On | D11 (1) |
| "CHECK ENGINE" Light Never On | D11 (2) |
| Stumble After Hot Restart | C1 (20) |
| Fuel Pump Runs With Engine Off | D22 (14) |
| Gasoline Fumes In Engine Compartment | D4 (1) |
| Engine Cooling Fan(s) Inoperative | D22 (32) |
| Cooling Fan(s) Always On | D22 (29) |
| Engine Cooling Fan(s) Inoperative | D22 (32) |
| Cooling Fan(s) Always On | D22 (29) |
| Stalls When Parking | B15 (3) |
KEY ON ENGINE OFF (KOEO) CODE-TO-CKT TEST MENU
| Code No. | Go To: Circuit Test No. (Step No.) |
|---|---|
| 13 | D2 (1) |
| 15 | D15 (3) |
| 21 | B5 (1) |
| 22 | B6 (1) |
| 23 | D2 (12) |
| 31 | B10 (1) |
| 32 | B11 (14) |
| 34 | B11 (12) |
| 35 | B10 (5) |
| 51 | B5 (4) |
| 52 | B15 (1) |
| 53 | D2 (15) |
| 61 | B5 (6) |
| 63 | D2 (18) |
| 67 | B13 (1) |
| 68 | D2 (9) |
| 73 | D2 (22) |
| 83 | D22 (25) |
| 84 | B11 (8) |
| 85 | D4 (6) |
| 87 | D22 (15) |
| 93 | D2 (11) |
| 95 | D22 (58) |
| 96 | D22 (63) |
KEY ON ENGINE RUNNING (KOER) CODE-TO-CKT TEST MENU
| Code No. | Go To: Circuit Test No. (Step No.) |
|---|---|
| 12 | D2 (23) |
| 13 | D2 (26) |
| 16 | D2 (31) |
| 21 | B5 (1) |
| 22 | B6 (7) |
| 23 | D2 (12) |
| 31 | B11 (1) |
| 32 | B11 (14) |
| 33 | B11 (15) |
| 34 | B11 (19) |
| 35 | B11 (5) |
| 41 | C1 (11) |
| 42 | C1 (23) |
| 52 | B15 (5) |
| 55 | D19 (1) |
| 58 | D2 (5) |
| 68 | D2 (9) |
| 74 | B14 (1) |
| 75 | B14 (5) |
| 99 | D2 (29) |
CONTINUOUS SELF-TEST - CODE-TO-CIRCUIT TEST MENU
| Code No. | Go To: Circuit Test No. (Step No.) |
|---|---|
| 13 | D2 (31) |
| 15 | D15 (3) |
| 18 | D12 (1) |
| 22 | B6 (15) |
| 23 | D2 (38) |
| 29 | B12 (1) |
| 31 | B11 (22) |
| 32 | B11 (21) |
| 33 | B11 (24) |
| 34 | B11 (26) |
| 35 | B11 (22) |
| 38 | D2 (32) |
| 41 | C1 (29) |
| 51 | B5 (10) |
| 53 | D2 (35) |
| 61 | B5 (10) |
| 63 | D2 (38) |
| 71 | D2 (34) |
| 78 | D18 (1) |
| 87 | D22 (74) |
| 95 | D22 (70) |
| 99 | D22 (72) |