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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P0128: Thermostat Insufficient Temperature For Stable Operation >> Code Enable Criteria
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Code Enable Criteria

WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.

Following conditions must be met for DTC diagnostic test to run:

Cold Case Test

Warm Case Test

START-UP COOLANT (FQCSTR1T)

Temperature F° (C°) Time (Seconds)
10 (50) 600
13 (55) 540
16 (61) 490
19 (66) 440
22 (72) 410
25 (77) 385
28 (82) 360
31 (88) 340
34 (93) 320
37 (99) 300
START-UP COOLANT (FQCSTR1A)

Temperature F° (C°) Time (Seconds)
10 (50) 7300
13 (55) 6500
16 (61) 6000
19 (66) 5500
22 (72) 5100
25 (77) 4600
28 (82) 4200
31 (88) 3800
34 (93) 3650
37 (99) 3550